Home / 10,888.61-16,332.03-3,491.08

Finding the Fourth Proportional to 10,888.61, 16,332.03 and 3,491.08

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Solution

The fourth proportional to 10,888.61, 16,332.03 and 3,491.08 is: 5,236.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,888.61 : 16,332.03 = 3,491.08 : x
  2. Step 2: Convert to fraction form
    10,888.61/16,332.03 = 3,491.08/x
  3. Step 3: Cross multiply
    10,888.61x = 16,332.03 × 3,491.08
  4. Step 4: Simplify right side
    10,888.61x = 57,016,382.46
  5. Step 5: Solve for x
    x = 57,016,382.46/10,888.61
  6. Step 6: Final answer
    x = 5,236.33

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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.