Home / 15,523.76-23,166.38-13,862.96

Finding the Fourth Proportional to 15,523.76, 23,166.38 and 13,862.96

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Solution

The fourth proportional to 15,523.76, 23,166.38 and 13,862.96 is: 20,687.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,523.76 : 23,166.38 = 13,862.96 : x
  2. Step 2: Convert to fraction form
    15,523.76/23,166.38 = 13,862.96/x
  3. Step 3: Cross multiply
    15,523.76x = 23,166.38 × 13,862.96
  4. Step 4: Simplify right side
    15,523.76x = 321,154,599.28
  5. Step 5: Solve for x
    x = 321,154,599.28/15,523.76
  6. Step 6: Final answer
    x = 20,687.94

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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.