Home / 11,547.21-15,935.27-6,242.13

Finding the Fourth Proportional to 11,547.21, 15,935.27 and 6,242.13

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Solution

The fourth proportional to 11,547.21, 15,935.27 and 6,242.13 is: 8,614.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,547.21 : 15,935.27 = 6,242.13 : x
  2. Step 2: Convert to fraction form
    11,547.21/15,935.27 = 6,242.13/x
  3. Step 3: Cross multiply
    11,547.21x = 15,935.27 × 6,242.13
  4. Step 4: Simplify right side
    11,547.21x = 99,469,995.71
  5. Step 5: Solve for x
    x = 99,469,995.71/11,547.21
  6. Step 6: Final answer
    x = 8,614.20

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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.