Home / 10,772.19-16,141.77-7,249.14

Finding the Fourth Proportional to 10,772.19, 16,141.77 and 7,249.14

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Solution

The fourth proportional to 10,772.19, 16,141.77 and 7,249.14 is: 10,862.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,772.19 : 16,141.77 = 7,249.14 : x
  2. Step 2: Convert to fraction form
    10,772.19/16,141.77 = 7,249.14/x
  3. Step 3: Cross multiply
    10,772.19x = 16,141.77 × 7,249.14
  4. Step 4: Simplify right side
    10,772.19x = 117,013,950.58
  5. Step 5: Solve for x
    x = 117,013,950.58/10,772.19
  6. Step 6: Final answer
    x = 10,862.60

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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.