Home / 15,398.04-23,105.97-8,378.76

Finding the Fourth Proportional to 15,398.04, 23,105.97 and 8,378.76

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Solution

The fourth proportional to 15,398.04, 23,105.97 and 8,378.76 is: 12,572.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,398.04 : 23,105.97 = 8,378.76 : x
  2. Step 2: Convert to fraction form
    15,398.04/23,105.97 = 8,378.76/x
  3. Step 3: Cross multiply
    15,398.04x = 23,105.97 × 8,378.76
  4. Step 4: Simplify right side
    15,398.04x = 193,599,377.20
  5. Step 5: Solve for x
    x = 193,599,377.20/15,398.04
  6. Step 6: Final answer
    x = 12,572.99

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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.