Home / 9,419.43-14,129.15-5,521.71

Finding the Fourth Proportional to 9,419.43, 14,129.15 and 5,521.71

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Solution

The fourth proportional to 9,419.43, 14,129.15 and 5,521.71 is: 8,282.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,419.43 : 14,129.15 = 5,521.71 : x
  2. Step 2: Convert to fraction form
    9,419.43/14,129.15 = 5,521.71/x
  3. Step 3: Cross multiply
    9,419.43x = 14,129.15 × 5,521.71
  4. Step 4: Simplify right side
    9,419.43x = 78,017,041.24
  5. Step 5: Solve for x
    x = 78,017,041.24/9,419.43
  6. Step 6: Final answer
    x = 8,282.57

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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.