Home / 20,036.97-30,026.70-11,253.40

Finding the Fourth Proportional to 20,036.97, 30,026.70 and 11,253.40

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Solution

The fourth proportional to 20,036.97, 30,026.70 and 11,253.40 is: 16,863.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,036.97 : 30,026.70 = 11,253.40 : x
  2. Step 2: Convert to fraction form
    20,036.97/30,026.70 = 11,253.40/x
  3. Step 3: Cross multiply
    20,036.97x = 30,026.70 × 11,253.40
  4. Step 4: Simplify right side
    20,036.97x = 337,902,390.71
  5. Step 5: Solve for x
    x = 337,902,390.71/20,036.97
  6. Step 6: Final answer
    x = 16,863.95

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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.