Home / 15,111.18-22,681.17-9,279.18

Finding the Fourth Proportional to 15,111.18, 22,681.17 and 9,279.18

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Solution

The fourth proportional to 15,111.18, 22,681.17 and 9,279.18 is: 13,927.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,111.18 : 22,681.17 = 9,279.18 : x
  2. Step 2: Convert to fraction form
    15,111.18/22,681.17 = 9,279.18/x
  3. Step 3: Cross multiply
    15,111.18x = 22,681.17 × 9,279.18
  4. Step 4: Simplify right side
    15,111.18x = 210,462,659.04
  5. Step 5: Solve for x
    x = 210,462,659.04/15,111.18
  6. Step 6: Final answer
    x = 13,927.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.