Home / 10,926.18-16,387.30-2,921.08

Finding the Fourth Proportional to 10,926.18, 16,387.30 and 2,921.08

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Solution

The fourth proportional to 10,926.18, 16,387.30 and 2,921.08 is: 4,381.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,926.18 : 16,387.30 = 2,921.08 : x
  2. Step 2: Convert to fraction form
    10,926.18/16,387.30 = 2,921.08/x
  3. Step 3: Cross multiply
    10,926.18x = 16,387.30 × 2,921.08
  4. Step 4: Simplify right side
    10,926.18x = 47,868,614.28
  5. Step 5: Solve for x
    x = 47,868,614.28/10,926.18
  6. Step 6: Final answer
    x = 4,381.09

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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.