Home / 14,518.44-20,035.71-8,146.49

Finding the Fourth Proportional to 14,518.44, 20,035.71 and 8,146.49

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Solution

The fourth proportional to 14,518.44, 20,035.71 and 8,146.49 is: 11,242.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,518.44 : 20,035.71 = 8,146.49 : x
  2. Step 2: Convert to fraction form
    14,518.44/20,035.71 = 8,146.49/x
  3. Step 3: Cross multiply
    14,518.44x = 20,035.71 × 8,146.49
  4. Step 4: Simplify right side
    14,518.44x = 163,220,610.98
  5. Step 5: Solve for x
    x = 163,220,610.98/14,518.44
  6. Step 6: Final answer
    x = 11,242.30

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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.