Home / 11,326.11-15,631.02-6,611.91

Finding the Fourth Proportional to 11,326.11, 15,631.02 and 6,611.91

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Solution

The fourth proportional to 11,326.11, 15,631.02 and 6,611.91 is: 9,125.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,326.11 : 15,631.02 = 6,611.91 : x
  2. Step 2: Convert to fraction form
    11,326.11/15,631.02 = 6,611.91/x
  3. Step 3: Cross multiply
    11,326.11x = 15,631.02 × 6,611.91
  4. Step 4: Simplify right side
    11,326.11x = 103,350,897.45
  5. Step 5: Solve for x
    x = 103,350,897.45/11,326.11
  6. Step 6: Final answer
    x = 9,125.01

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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.