Home / 14,663.44-20,230.68-8,289.22

Finding the Fourth Proportional to 14,663.44, 20,230.68 and 8,289.22

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Solution

The fourth proportional to 14,663.44, 20,230.68 and 8,289.22 is: 11,436.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,663.44 : 20,230.68 = 8,289.22 : x
  2. Step 2: Convert to fraction form
    14,663.44/20,230.68 = 8,289.22/x
  3. Step 3: Cross multiply
    14,663.44x = 20,230.68 × 8,289.22
  4. Step 4: Simplify right side
    14,663.44x = 167,696,557.27
  5. Step 5: Solve for x
    x = 167,696,557.27/14,663.44
  6. Step 6: Final answer
    x = 11,436.37

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Half scale
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Double scale
Find fourth proportional to 14,664.44, 20,232.06 and 8,290.22
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.