Home / 10,124.22-13,974.39-6,400.38

Finding the Fourth Proportional to 10,124.22, 13,974.39 and 6,400.38

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Solution

The fourth proportional to 10,124.22, 13,974.39 and 6,400.38 is: 8,834.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,124.22 : 13,974.39 = 6,400.38 : x
  2. Step 2: Convert to fraction form
    10,124.22/13,974.39 = 6,400.38/x
  3. Step 3: Cross multiply
    10,124.22x = 13,974.39 × 6,400.38
  4. Step 4: Simplify right side
    10,124.22x = 89,441,406.27
  5. Step 5: Solve for x
    x = 89,441,406.27/10,124.22
  6. Step 6: Final answer
    x = 8,834.40

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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.