Home / 15,635.76-23,398.23-13,790.48

Finding the Fourth Proportional to 15,635.76, 23,398.23 and 13,790.48

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Solution

The fourth proportional to 15,635.76, 23,398.23 and 13,790.48 is: 20,636.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,635.76 : 23,398.23 = 13,790.48 : x
  2. Step 2: Convert to fraction form
    15,635.76/23,398.23 = 13,790.48/x
  3. Step 3: Cross multiply
    15,635.76x = 23,398.23 × 13,790.48
  4. Step 4: Simplify right side
    15,635.76x = 322,672,757.57
  5. Step 5: Solve for x
    x = 322,672,757.57/15,635.76
  6. Step 6: Final answer
    x = 20,636.85

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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.