Home / 11,979.47-17,966.89-4,582.17

Finding the Fourth Proportional to 11,979.47, 17,966.89 and 4,582.17

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Solution

The fourth proportional to 11,979.47, 17,966.89 and 4,582.17 is: 6,872.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,979.47 : 17,966.89 = 4,582.17 : x
  2. Step 2: Convert to fraction form
    11,979.47/17,966.89 = 4,582.17/x
  3. Step 3: Cross multiply
    11,979.47x = 17,966.89 × 4,582.17
  4. Step 4: Simplify right side
    11,979.47x = 82,327,337.19
  5. Step 5: Solve for x
    x = 82,327,337.19/11,979.47
  6. Step 6: Final answer
    x = 6,872.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.