Home / 15,065.40-20,789.72-9,096.52

Finding the Fourth Proportional to 15,065.40, 20,789.72 and 9,096.52

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Solution

The fourth proportional to 15,065.40, 20,789.72 and 9,096.52 is: 12,552.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,065.40 : 20,789.72 = 9,096.52 : x
  2. Step 2: Convert to fraction form
    15,065.40/20,789.72 = 9,096.52/x
  3. Step 3: Cross multiply
    15,065.40x = 20,789.72 × 9,096.52
  4. Step 4: Simplify right side
    15,065.40x = 189,114,103.77
  5. Step 5: Solve for x
    x = 189,114,103.77/15,065.40
  6. Step 6: Final answer
    x = 12,552.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.