Home / 14,516.13-20,020.35-9,736.86

Finding the Fourth Proportional to 14,516.13, 20,020.35 and 9,736.86

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Solution

The fourth proportional to 14,516.13, 20,020.35 and 9,736.86 is: 13,428.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,516.13 : 20,020.35 = 9,736.86 : x
  2. Step 2: Convert to fraction form
    14,516.13/20,020.35 = 9,736.86/x
  3. Step 3: Cross multiply
    14,516.13x = 20,020.35 × 9,736.86
  4. Step 4: Simplify right side
    14,516.13x = 194,935,345.10
  5. Step 5: Solve for x
    x = 194,935,345.10/14,516.13
  6. Step 6: Final answer
    x = 13,428.88

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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.