Home / 10,291.62-15,403.76-5,599.92

Finding the Fourth Proportional to 10,291.62, 15,403.76 and 5,599.92

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Solution

The fourth proportional to 10,291.62, 15,403.76 and 5,599.92 is: 8,381.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,291.62 : 15,403.76 = 5,599.92 : x
  2. Step 2: Convert to fraction form
    10,291.62/15,403.76 = 5,599.92/x
  3. Step 3: Cross multiply
    10,291.62x = 15,403.76 × 5,599.92
  4. Step 4: Simplify right side
    10,291.62x = 86,259,823.70
  5. Step 5: Solve for x
    x = 86,259,823.70/10,291.62
  6. Step 6: Final answer
    x = 8,381.56

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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.