Home / 17,645.04-26,442.72-13,930.92

Finding the Fourth Proportional to 17,645.04, 26,442.72 and 13,930.92

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Solution

The fourth proportional to 17,645.04, 26,442.72 and 13,930.92 is: 20,876.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,645.04 : 26,442.72 = 13,930.92 : x
  2. Step 2: Convert to fraction form
    17,645.04/26,442.72 = 13,930.92/x
  3. Step 3: Cross multiply
    17,645.04x = 26,442.72 × 13,930.92
  4. Step 4: Simplify right side
    17,645.04x = 368,371,416.90
  5. Step 5: Solve for x
    x = 368,371,416.90/17,645.04
  6. Step 6: Final answer
    x = 20,876.77

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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.