Home / 14,375.40-21,436.14-12,627.57

Finding the Fourth Proportional to 14,375.40, 21,436.14 and 12,627.57

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Solution

The fourth proportional to 14,375.40, 21,436.14 and 12,627.57 is: 18,829.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,375.40 : 21,436.14 = 12,627.57 : x
  2. Step 2: Convert to fraction form
    14,375.40/21,436.14 = 12,627.57/x
  3. Step 3: Cross multiply
    14,375.40x = 21,436.14 × 12,627.57
  4. Step 4: Simplify right side
    14,375.40x = 270,686,358.38
  5. Step 5: Solve for x
    x = 270,686,358.38/14,375.40
  6. Step 6: Final answer
    x = 18,829.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.