Home / 14,663.23-20,230.50-8,289.21

Finding the Fourth Proportional to 14,663.23, 20,230.50 and 8,289.21

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Solution

The fourth proportional to 14,663.23, 20,230.50 and 8,289.21 is: 11,436.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,663.23 : 20,230.50 = 8,289.21 : x
  2. Step 2: Convert to fraction form
    14,663.23/20,230.50 = 8,289.21/x
  3. Step 3: Cross multiply
    14,663.23x = 20,230.50 × 8,289.21
  4. Step 4: Simplify right side
    14,663.23x = 167,694,761.75
  5. Step 5: Solve for x
    x = 167,694,761.75/14,663.23
  6. Step 6: Final answer
    x = 11,436.41

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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.