Home / 15,491.52-23,239.20-5,106.88

Finding the Fourth Proportional to 15,491.52, 23,239.20 and 5,106.88

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Solution

The fourth proportional to 15,491.52, 23,239.20 and 5,106.88 is: 7,660.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,491.52 : 23,239.20 = 5,106.88 : x
  2. Step 2: Convert to fraction form
    15,491.52/23,239.20 = 5,106.88/x
  3. Step 3: Cross multiply
    15,491.52x = 23,239.20 × 5,106.88
  4. Step 4: Simplify right side
    15,491.52x = 118,679,805.70
  5. Step 5: Solve for x
    x = 118,679,805.70/15,491.52
  6. Step 6: Final answer
    x = 7,660.95

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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.