Home / 12,460.10-17,193.66-7,155.70

Finding the Fourth Proportional to 12,460.10, 17,193.66 and 7,155.70

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Solution

The fourth proportional to 12,460.10, 17,193.66 and 7,155.70 is: 9,874.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,460.10 : 17,193.66 = 7,155.70 : x
  2. Step 2: Convert to fraction form
    12,460.10/17,193.66 = 7,155.70/x
  3. Step 3: Cross multiply
    12,460.10x = 17,193.66 × 7,155.70
  4. Step 4: Simplify right side
    12,460.10x = 123,032,672.86
  5. Step 5: Solve for x
    x = 123,032,672.86/12,460.10
  6. Step 6: Final answer
    x = 9,874.13

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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.