Home / 12,436.19-17,158.98-7,057.43

Finding the Fourth Proportional to 12,436.19, 17,158.98 and 7,057.43

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Solution

The fourth proportional to 12,436.19, 17,158.98 and 7,057.43 is: 9,737.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,436.19 : 17,158.98 = 7,057.43 : x
  2. Step 2: Convert to fraction form
    12,436.19/17,158.98 = 7,057.43/x
  3. Step 3: Cross multiply
    12,436.19x = 17,158.98 × 7,057.43
  4. Step 4: Simplify right side
    12,436.19x = 121,098,214.43
  5. Step 5: Solve for x
    x = 121,098,214.43/12,436.19
  6. Step 6: Final answer
    x = 9,737.57

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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.