Home / 12,417.31-17,135.73-9,244.78

Finding the Fourth Proportional to 12,417.31, 17,135.73 and 9,244.78

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Solution

The fourth proportional to 12,417.31, 17,135.73 and 9,244.78 is: 12,757.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,417.31 : 17,135.73 = 9,244.78 : x
  2. Step 2: Convert to fraction form
    12,417.31/17,135.73 = 9,244.78/x
  3. Step 3: Cross multiply
    12,417.31x = 17,135.73 × 9,244.78
  4. Step 4: Simplify right side
    12,417.31x = 158,416,053.99
  5. Step 5: Solve for x
    x = 158,416,053.99/12,417.31
  6. Step 6: Final answer
    x = 12,757.68

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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.