Home / 11,916.28-17,884.95-6,655.33

Finding the Fourth Proportional to 11,916.28, 17,884.95 and 6,655.33

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Solution

The fourth proportional to 11,916.28, 17,884.95 and 6,655.33 is: 9,988.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,916.28 : 17,884.95 = 6,655.33 : x
  2. Step 2: Convert to fraction form
    11,916.28/17,884.95 = 6,655.33/x
  3. Step 3: Cross multiply
    11,916.28x = 17,884.95 × 6,655.33
  4. Step 4: Simplify right side
    11,916.28x = 119,030,244.28
  5. Step 5: Solve for x
    x = 119,030,244.28/11,916.28
  6. Step 6: Final answer
    x = 9,988.88

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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.