Home / 23,897.68-32,979.64-13,690.53

Finding the Fourth Proportional to 23,897.68, 32,979.64 and 13,690.53

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Solution

The fourth proportional to 23,897.68, 32,979.64 and 13,690.53 is: 18,893.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,897.68 : 32,979.64 = 13,690.53 : x
  2. Step 2: Convert to fraction form
    23,897.68/32,979.64 = 13,690.53/x
  3. Step 3: Cross multiply
    23,897.68x = 32,979.64 × 13,690.53
  4. Step 4: Simplify right side
    23,897.68x = 451,508,891.60
  5. Step 5: Solve for x
    x = 451,508,891.60/23,897.68
  6. Step 6: Final answer
    x = 18,893.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.