Home / 15,344.22-21,174.51-8,630.13

Finding the Fourth Proportional to 15,344.22, 21,174.51 and 8,630.13

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Solution

The fourth proportional to 15,344.22, 21,174.51 and 8,630.13 is: 11,909.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,344.22 : 21,174.51 = 8,630.13 : x
  2. Step 2: Convert to fraction form
    15,344.22/21,174.51 = 8,630.13/x
  3. Step 3: Cross multiply
    15,344.22x = 21,174.51 × 8,630.13
  4. Step 4: Simplify right side
    15,344.22x = 182,738,773.99
  5. Step 5: Solve for x
    x = 182,738,773.99/15,344.22
  6. Step 6: Final answer
    x = 11,909.29

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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.