Home / 11,655.18-16,079.01-7,876.95

Finding the Fourth Proportional to 11,655.18, 16,079.01 and 7,876.95

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Solution

The fourth proportional to 11,655.18, 16,079.01 and 7,876.95 is: 10,866.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,655.18 : 16,079.01 = 7,876.95 : x
  2. Step 2: Convert to fraction form
    11,655.18/16,079.01 = 7,876.95/x
  3. Step 3: Cross multiply
    11,655.18x = 16,079.01 × 7,876.95
  4. Step 4: Simplify right side
    11,655.18x = 126,653,557.82
  5. Step 5: Solve for x
    x = 126,653,557.82/11,655.18
  6. Step 6: Final answer
    x = 10,866.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.