Home / 15,115.12-22,630.68-11,406.16

Finding the Fourth Proportional to 15,115.12, 22,630.68 and 11,406.16

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Solution

The fourth proportional to 15,115.12, 22,630.68 and 11,406.16 is: 17,077.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,115.12 : 22,630.68 = 11,406.16 : x
  2. Step 2: Convert to fraction form
    15,115.12/22,630.68 = 11,406.16/x
  3. Step 3: Cross multiply
    15,115.12x = 22,630.68 × 11,406.16
  4. Step 4: Simplify right side
    15,115.12x = 258,129,156.99
  5. Step 5: Solve for x
    x = 258,129,156.99/15,115.12
  6. Step 6: Final answer
    x = 17,077.55

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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.