Home / 22,070.07-30,454.41-13,115.85

Finding the Fourth Proportional to 22,070.07, 30,454.41 and 13,115.85

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Solution

The fourth proportional to 22,070.07, 30,454.41 and 13,115.85 is: 18,098.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,070.07 : 30,454.41 = 13,115.85 : x
  2. Step 2: Convert to fraction form
    22,070.07/30,454.41 = 13,115.85/x
  3. Step 3: Cross multiply
    22,070.07x = 30,454.41 × 13,115.85
  4. Step 4: Simplify right side
    22,070.07x = 399,435,473.40
  5. Step 5: Solve for x
    x = 399,435,473.40/22,070.07
  6. Step 6: Final answer
    x = 18,098.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.