Home / 11,547.91-15,936.10-6,242.72

Finding the Fourth Proportional to 11,547.91, 15,936.10 and 6,242.72

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Solution

The fourth proportional to 11,547.91, 15,936.10 and 6,242.72 is: 8,614.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,547.91 : 15,936.10 = 6,242.72 : x
  2. Step 2: Convert to fraction form
    11,547.91/15,936.10 = 6,242.72/x
  3. Step 3: Cross multiply
    11,547.91x = 15,936.10 × 6,242.72
  4. Step 4: Simplify right side
    11,547.91x = 99,484,610.19
  5. Step 5: Solve for x
    x = 99,484,610.19/11,547.91
  6. Step 6: Final answer
    x = 8,614.95

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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.