Home / 15,330.50-23,001.30-7,544.78

Finding the Fourth Proportional to 15,330.50, 23,001.30 and 7,544.78

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Solution

The fourth proportional to 15,330.50, 23,001.30 and 7,544.78 is: 11,319.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,330.50 : 23,001.30 = 7,544.78 : x
  2. Step 2: Convert to fraction form
    15,330.50/23,001.30 = 7,544.78/x
  3. Step 3: Cross multiply
    15,330.50x = 23,001.30 × 7,544.78
  4. Step 4: Simplify right side
    15,330.50x = 173,539,748.21
  5. Step 5: Solve for x
    x = 173,539,748.21/15,330.50
  6. Step 6: Final answer
    x = 11,319.90

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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.