Home / 10,882.35-16,327.17-4,309.20

Finding the Fourth Proportional to 10,882.35, 16,327.17 and 4,309.20

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Solution

The fourth proportional to 10,882.35, 16,327.17 and 4,309.20 is: 6,465.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,882.35 : 16,327.17 = 4,309.20 : x
  2. Step 2: Convert to fraction form
    10,882.35/16,327.17 = 4,309.20/x
  3. Step 3: Cross multiply
    10,882.35x = 16,327.17 × 4,309.20
  4. Step 4: Simplify right side
    10,882.35x = 70,357,040.96
  5. Step 5: Solve for x
    x = 70,357,040.96/10,882.35
  6. Step 6: Final answer
    x = 6,465.24

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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.