Home / 15,999.32-22,079.14-8,926.14

Finding the Fourth Proportional to 15,999.32, 22,079.14 and 8,926.14

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Solution

The fourth proportional to 15,999.32, 22,079.14 and 8,926.14 is: 12,318.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,999.32 : 22,079.14 = 8,926.14 : x
  2. Step 2: Convert to fraction form
    15,999.32/22,079.14 = 8,926.14/x
  3. Step 3: Cross multiply
    15,999.32x = 22,079.14 × 8,926.14
  4. Step 4: Simplify right side
    15,999.32x = 197,081,494.72
  5. Step 5: Solve for x
    x = 197,081,494.72/15,999.32
  6. Step 6: Final answer
    x = 12,318.12

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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.