Home / 18,337.60-25,305.78-9,954.04

Finding the Fourth Proportional to 18,337.60, 25,305.78 and 9,954.04

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Solution

The fourth proportional to 18,337.60, 25,305.78 and 9,954.04 is: 13,736.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,337.60 : 25,305.78 = 9,954.04 : x
  2. Step 2: Convert to fraction form
    18,337.60/25,305.78 = 9,954.04/x
  3. Step 3: Cross multiply
    18,337.60x = 25,305.78 × 9,954.04
  4. Step 4: Simplify right side
    18,337.60x = 251,894,746.35
  5. Step 5: Solve for x
    x = 251,894,746.35/18,337.60
  6. Step 6: Final answer
    x = 13,736.52

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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.