Home / 10,218.72-15,306.50-4,676.70

Finding the Fourth Proportional to 10,218.72, 15,306.50 and 4,676.70

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Solution

The fourth proportional to 10,218.72, 15,306.50 and 4,676.70 is: 7,005.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,218.72 : 15,306.50 = 4,676.70 : x
  2. Step 2: Convert to fraction form
    10,218.72/15,306.50 = 4,676.70/x
  3. Step 3: Cross multiply
    10,218.72x = 15,306.50 × 4,676.70
  4. Step 4: Simplify right side
    10,218.72x = 71,583,908.55
  5. Step 5: Solve for x
    x = 71,583,908.55/10,218.72
  6. Step 6: Final answer
    x = 7,005.17

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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.