Home / 15,503.92-23,255.68-3,817.20

Finding the Fourth Proportional to 15,503.92, 23,255.68 and 3,817.20

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Solution

The fourth proportional to 15,503.92, 23,255.68 and 3,817.20 is: 5,725.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,503.92 : 23,255.68 = 3,817.20 : x
  2. Step 2: Convert to fraction form
    15,503.92/23,255.68 = 3,817.20/x
  3. Step 3: Cross multiply
    15,503.92x = 23,255.68 × 3,817.20
  4. Step 4: Simplify right side
    15,503.92x = 88,771,581.70
  5. Step 5: Solve for x
    x = 88,771,581.70/15,503.92
  6. Step 6: Final answer
    x = 5,725.75

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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.