Home / 11,417.68-17,116.14-4,393.21

Finding the Fourth Proportional to 11,417.68, 17,116.14 and 4,393.21

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Solution

The fourth proportional to 11,417.68, 17,116.14 and 4,393.21 is: 6,585.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,417.68 : 17,116.14 = 4,393.21 : x
  2. Step 2: Convert to fraction form
    11,417.68/17,116.14 = 4,393.21/x
  3. Step 3: Cross multiply
    11,417.68x = 17,116.14 × 4,393.21
  4. Step 4: Simplify right side
    11,417.68x = 75,194,800.90
  5. Step 5: Solve for x
    x = 75,194,800.90/11,417.68
  6. Step 6: Final answer
    x = 6,585.82

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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.