Home / 12,717.48-17,547.18-8,007.96

Finding the Fourth Proportional to 12,717.48, 17,547.18 and 8,007.96

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Solution

The fourth proportional to 12,717.48, 17,547.18 and 8,007.96 is: 11,049.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,717.48 : 17,547.18 = 8,007.96 : x
  2. Step 2: Convert to fraction form
    12,717.48/17,547.18 = 8,007.96/x
  3. Step 3: Cross multiply
    12,717.48x = 17,547.18 × 8,007.96
  4. Step 4: Simplify right side
    12,717.48x = 140,517,115.55
  5. Step 5: Solve for x
    x = 140,517,115.55/12,717.48
  6. Step 6: Final answer
    x = 11,049.13

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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.