Home / 12,411.14-17,125.13-7,376.59

Finding the Fourth Proportional to 12,411.14, 17,125.13 and 7,376.59

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Solution

The fourth proportional to 12,411.14, 17,125.13 and 7,376.59 is: 10,178.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,411.14 : 17,125.13 = 7,376.59 : x
  2. Step 2: Convert to fraction form
    12,411.14/17,125.13 = 7,376.59/x
  3. Step 3: Cross multiply
    12,411.14x = 17,125.13 × 7,376.59
  4. Step 4: Simplify right side
    12,411.14x = 126,325,062.71
  5. Step 5: Solve for x
    x = 126,325,062.71/12,411.14
  6. Step 6: Final answer
    x = 10,178.37

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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.