Home / 10,971.11-16,452.11-4,215.71

Finding the Fourth Proportional to 10,971.11, 16,452.11 and 4,215.71

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Solution

The fourth proportional to 10,971.11, 16,452.11 and 4,215.71 is: 6,321.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,971.11 : 16,452.11 = 4,215.71 : x
  2. Step 2: Convert to fraction form
    10,971.11/16,452.11 = 4,215.71/x
  3. Step 3: Cross multiply
    10,971.11x = 16,452.11 × 4,215.71
  4. Step 4: Simplify right side
    10,971.11x = 69,357,376.32
  5. Step 5: Solve for x
    x = 69,357,376.32/10,971.11
  6. Step 6: Final answer
    x = 6,321.82

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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.