Home / 15,206.88-22,781.52-7,407.84

Finding the Fourth Proportional to 15,206.88, 22,781.52 and 7,407.84

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Solution

The fourth proportional to 15,206.88, 22,781.52 and 7,407.84 is: 11,097.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,206.88 : 22,781.52 = 7,407.84 : x
  2. Step 2: Convert to fraction form
    15,206.88/22,781.52 = 7,407.84/x
  3. Step 3: Cross multiply
    15,206.88x = 22,781.52 × 7,407.84
  4. Step 4: Simplify right side
    15,206.88x = 168,761,855.12
  5. Step 5: Solve for x
    x = 168,761,855.12/15,206.88
  6. Step 6: Final answer
    x = 11,097.73

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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.