Home / 21,036.52-29,031.78-13,594.60

Finding the Fourth Proportional to 21,036.52, 29,031.78 and 13,594.60

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Solution

The fourth proportional to 21,036.52, 29,031.78 and 13,594.60 is: 18,761.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,036.52 : 29,031.78 = 13,594.60 : x
  2. Step 2: Convert to fraction form
    21,036.52/29,031.78 = 13,594.60/x
  3. Step 3: Cross multiply
    21,036.52x = 29,031.78 × 13,594.60
  4. Step 4: Simplify right side
    21,036.52x = 394,675,436.39
  5. Step 5: Solve for x
    x = 394,675,436.39/21,036.52
  6. Step 6: Final answer
    x = 18,761.44

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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.