Home / 15,138.30-22,700.97-4,750.86

Finding the Fourth Proportional to 15,138.30, 22,700.97 and 4,750.86

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Solution

The fourth proportional to 15,138.30, 22,700.97 and 4,750.86 is: 7,124.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,138.30 : 22,700.97 = 4,750.86 : x
  2. Step 2: Convert to fraction form
    15,138.30/22,700.97 = 4,750.86/x
  3. Step 3: Cross multiply
    15,138.30x = 22,700.97 × 4,750.86
  4. Step 4: Simplify right side
    15,138.30x = 107,849,130.33
  5. Step 5: Solve for x
    x = 107,849,130.33/15,138.30
  6. Step 6: Final answer
    x = 7,124.26

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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.