Home / 15,427.28-23,139.96-6,656

Finding the Fourth Proportional to 15,427.28, 23,139.96 and 6,656

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Solution

The fourth proportional to 15,427.28, 23,139.96 and 6,656 is: 9,983.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,427.28 : 23,139.96 = 6,656 : x
  2. Step 2: Convert to fraction form
    15,427.28/23,139.96 = 6,656/x
  3. Step 3: Cross multiply
    15,427.28x = 23,139.96 × 6,656
  4. Step 4: Simplify right side
    15,427.28x = 154,019,573.76
  5. Step 5: Solve for x
    x = 154,019,573.76/15,427.28
  6. Step 6: Final answer
    x = 9,983.59

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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.