Home / 21,063.52-29,073.47-13,101.01

Finding the Fourth Proportional to 21,063.52, 29,073.47 and 13,101.01

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Solution

The fourth proportional to 21,063.52, 29,073.47 and 13,101.01 is: 18,083.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,063.52 : 29,073.47 = 13,101.01 : x
  2. Step 2: Convert to fraction form
    21,063.52/29,073.47 = 13,101.01/x
  3. Step 3: Cross multiply
    21,063.52x = 29,073.47 × 13,101.01
  4. Step 4: Simplify right side
    21,063.52x = 380,891,755.70
  5. Step 5: Solve for x
    x = 380,891,755.70/21,063.52
  6. Step 6: Final answer
    x = 18,083.01

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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.