Home / 19,523.92-29,290.20-9,130

Finding the Fourth Proportional to 19,523.92, 29,290.20 and 9,130

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Solution

The fourth proportional to 19,523.92, 29,290.20 and 9,130 is: 13,697.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,523.92 : 29,290.20 = 9,130 : x
  2. Step 2: Convert to fraction form
    19,523.92/29,290.20 = 9,130/x
  3. Step 3: Cross multiply
    19,523.92x = 29,290.20 × 9,130
  4. Step 4: Simplify right side
    19,523.92x = 267,419,526
  5. Step 5: Solve for x
    x = 267,419,526/19,523.92
  6. Step 6: Final answer
    x = 13,697.02

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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.