Home / 15,105.32-22,621.52-9,084.08

Finding the Fourth Proportional to 15,105.32, 22,621.52 and 9,084.08

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Solution

The fourth proportional to 15,105.32, 22,621.52 and 9,084.08 is: 13,604.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,105.32 : 22,621.52 = 9,084.08 : x
  2. Step 2: Convert to fraction form
    15,105.32/22,621.52 = 9,084.08/x
  3. Step 3: Cross multiply
    15,105.32x = 22,621.52 × 9,084.08
  4. Step 4: Simplify right side
    15,105.32x = 205,495,538.87
  5. Step 5: Solve for x
    x = 205,495,538.87/15,105.32
  6. Step 6: Final answer
    x = 13,604.19

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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.