Home / 15,522.76-23,164.89-13,861.96

Finding the Fourth Proportional to 15,522.76, 23,164.89 and 13,861.96

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Solution

The fourth proportional to 15,522.76, 23,164.89 and 13,861.96 is: 20,686.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,522.76 : 23,164.89 = 13,861.96 : x
  2. Step 2: Convert to fraction form
    15,522.76/23,164.89 = 13,861.96/x
  3. Step 3: Cross multiply
    15,522.76x = 23,164.89 × 13,861.96
  4. Step 4: Simplify right side
    15,522.76x = 321,110,778.58
  5. Step 5: Solve for x
    x = 321,110,778.58/15,522.76
  6. Step 6: Final answer
    x = 20,686.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.