Home / 18,537.60-25,581.90-10,039.73

Finding the Fourth Proportional to 18,537.60, 25,581.90 and 10,039.73

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Solution

The fourth proportional to 18,537.60, 25,581.90 and 10,039.73 is: 13,854.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,537.60 : 25,581.90 = 10,039.73 : x
  2. Step 2: Convert to fraction form
    18,537.60/25,581.90 = 10,039.73/x
  3. Step 3: Cross multiply
    18,537.60x = 25,581.90 × 10,039.73
  4. Step 4: Simplify right side
    18,537.60x = 256,835,470.49
  5. Step 5: Solve for x
    x = 256,835,470.49/18,537.60
  6. Step 6: Final answer
    x = 13,854.84

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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.