Home / 13,552.11-20,314.53-6,521.85

Finding the Fourth Proportional to 13,552.11, 20,314.53 and 6,521.85

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Solution

The fourth proportional to 13,552.11, 20,314.53 and 6,521.85 is: 9,776.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,552.11 : 20,314.53 = 6,521.85 : x
  2. Step 2: Convert to fraction form
    13,552.11/20,314.53 = 6,521.85/x
  3. Step 3: Cross multiply
    13,552.11x = 20,314.53 × 6,521.85
  4. Step 4: Simplify right side
    13,552.11x = 132,488,317.48
  5. Step 5: Solve for x
    x = 132,488,317.48/13,552.11
  6. Step 6: Final answer
    x = 9,776.21

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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.