Home / 11,988.30-17,983.68-4,599

Finding the Fourth Proportional to 11,988.30, 17,983.68 and 4,599

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Solution

The fourth proportional to 11,988.30, 17,983.68 and 4,599 is: 6,898.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,988.30 : 17,983.68 = 4,599 : x
  2. Step 2: Convert to fraction form
    11,988.30/17,983.68 = 4,599/x
  3. Step 3: Cross multiply
    11,988.30x = 17,983.68 × 4,599
  4. Step 4: Simplify right side
    11,988.30x = 82,706,944.32
  5. Step 5: Solve for x
    x = 82,706,944.32/11,988.30
  6. Step 6: Final answer
    x = 6,898.97

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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.