Home / 22,765.08-34,164.90-8,915.16

Finding the Fourth Proportional to 22,765.08, 34,164.90 and 8,915.16

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Solution

The fourth proportional to 22,765.08, 34,164.90 and 8,915.16 is: 13,379.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,765.08 : 34,164.90 = 8,915.16 : x
  2. Step 2: Convert to fraction form
    22,765.08/34,164.90 = 8,915.16/x
  3. Step 3: Cross multiply
    22,765.08x = 34,164.90 × 8,915.16
  4. Step 4: Simplify right side
    22,765.08x = 304,585,549.88
  5. Step 5: Solve for x
    x = 304,585,549.88/22,765.08
  6. Step 6: Final answer
    x = 13,379.51

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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.