Home / 15,548.70-23,323.05-13,908.45

Finding the Fourth Proportional to 15,548.70, 23,323.05 and 13,908.45

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Solution

The fourth proportional to 15,548.70, 23,323.05 and 13,908.45 is: 20,862.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,548.70 : 23,323.05 = 13,908.45 : x
  2. Step 2: Convert to fraction form
    15,548.70/23,323.05 = 13,908.45/x
  3. Step 3: Cross multiply
    15,548.70x = 23,323.05 × 13,908.45
  4. Step 4: Simplify right side
    15,548.70x = 324,387,474.77
  5. Step 5: Solve for x
    x = 324,387,474.77/15,548.70
  6. Step 6: Final answer
    x = 20,862.68

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Similar ratio
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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.