Home / 15,234.20-22,851.30-7,458.20

Finding the Fourth Proportional to 15,234.20, 22,851.30 and 7,458.20

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Solution

The fourth proportional to 15,234.20, 22,851.30 and 7,458.20 is: 11,187.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,234.20 : 22,851.30 = 7,458.20 : x
  2. Step 2: Convert to fraction form
    15,234.20/22,851.30 = 7,458.20/x
  3. Step 3: Cross multiply
    15,234.20x = 22,851.30 × 7,458.20
  4. Step 4: Simplify right side
    15,234.20x = 170,429,565.66
  5. Step 5: Solve for x
    x = 170,429,565.66/15,234.20
  6. Step 6: Final answer
    x = 11,187.30

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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.