Home / 10,619.32-15,934.92-9,962.68

Finding the Fourth Proportional to 10,619.32, 15,934.92 and 9,962.68

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Solution

The fourth proportional to 10,619.32, 15,934.92 and 9,962.68 is: 14,949.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,619.32 : 15,934.92 = 9,962.68 : x
  2. Step 2: Convert to fraction form
    10,619.32/15,934.92 = 9,962.68/x
  3. Step 3: Cross multiply
    10,619.32x = 15,934.92 × 9,962.68
  4. Step 4: Simplify right side
    10,619.32x = 158,754,508.79
  5. Step 5: Solve for x
    x = 158,754,508.79/10,619.32
  6. Step 6: Final answer
    x = 14,949.59

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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.