Home / 12,966.62-17,893.49-7,931.07

Finding the Fourth Proportional to 12,966.62, 17,893.49 and 7,931.07

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Solution

The fourth proportional to 12,966.62, 17,893.49 and 7,931.07 is: 10,944.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,966.62 : 17,893.49 = 7,931.07 : x
  2. Step 2: Convert to fraction form
    12,966.62/17,893.49 = 7,931.07/x
  3. Step 3: Cross multiply
    12,966.62x = 17,893.49 × 7,931.07
  4. Step 4: Simplify right side
    12,966.62x = 141,914,482.08
  5. Step 5: Solve for x
    x = 141,914,482.08/12,966.62
  6. Step 6: Final answer
    x = 10,944.61

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Similar ratio
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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.