Home / 15,238.30-22,853.40-5,242.90

Finding the Fourth Proportional to 15,238.30, 22,853.40 and 5,242.90

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Solution

The fourth proportional to 15,238.30, 22,853.40 and 5,242.90 is: 7,862.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,238.30 : 22,853.40 = 5,242.90 : x
  2. Step 2: Convert to fraction form
    15,238.30/22,853.40 = 5,242.90/x
  3. Step 3: Cross multiply
    15,238.30x = 22,853.40 × 5,242.90
  4. Step 4: Simplify right side
    15,238.30x = 119,818,090.86
  5. Step 5: Solve for x
    x = 119,818,090.86/15,238.30
  6. Step 6: Final answer
    x = 7,862.96

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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.