Home / 10,488.92-15,736.11-3,915.62

Finding the Fourth Proportional to 10,488.92, 15,736.11 and 3,915.62

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Solution

The fourth proportional to 10,488.92, 15,736.11 and 3,915.62 is: 5,874.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,488.92 : 15,736.11 = 3,915.62 : x
  2. Step 2: Convert to fraction form
    10,488.92/15,736.11 = 3,915.62/x
  3. Step 3: Cross multiply
    10,488.92x = 15,736.11 × 3,915.62
  4. Step 4: Simplify right side
    10,488.92x = 61,616,592.68
  5. Step 5: Solve for x
    x = 61,616,592.68/10,488.92
  6. Step 6: Final answer
    x = 5,874.45

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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.