Home / 14,539.48-20,071.60-9,757.72

Finding the Fourth Proportional to 14,539.48, 20,071.60 and 9,757.72

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Solution

The fourth proportional to 14,539.48, 20,071.60 and 9,757.72 is: 13,470.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,539.48 : 20,071.60 = 9,757.72 : x
  2. Step 2: Convert to fraction form
    14,539.48/20,071.60 = 9,757.72/x
  3. Step 3: Cross multiply
    14,539.48x = 20,071.60 × 9,757.72
  4. Step 4: Simplify right side
    14,539.48x = 195,853,052.75
  5. Step 5: Solve for x
    x = 195,853,052.75/14,539.48
  6. Step 6: Final answer
    x = 13,470.43

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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.