Home / 10,860.78-16,273.28-9,952.91

Finding the Fourth Proportional to 10,860.78, 16,273.28 and 9,952.91

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Solution

The fourth proportional to 10,860.78, 16,273.28 and 9,952.91 is: 14,912.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,860.78 : 16,273.28 = 9,952.91 : x
  2. Step 2: Convert to fraction form
    10,860.78/16,273.28 = 9,952.91/x
  3. Step 3: Cross multiply
    10,860.78x = 16,273.28 × 9,952.91
  4. Step 4: Simplify right side
    10,860.78x = 161,966,434.76
  5. Step 5: Solve for x
    x = 161,966,434.76/10,860.78
  6. Step 6: Final answer
    x = 14,912.97

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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.