Home / 10,914.28-15,061.30-6,672.44

Finding the Fourth Proportional to 10,914.28, 15,061.30 and 6,672.44

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Solution

The fourth proportional to 10,914.28, 15,061.30 and 6,672.44 is: 9,207.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,914.28 : 15,061.30 = 6,672.44 : x
  2. Step 2: Convert to fraction form
    10,914.28/15,061.30 = 6,672.44/x
  3. Step 3: Cross multiply
    10,914.28x = 15,061.30 × 6,672.44
  4. Step 4: Simplify right side
    10,914.28x = 100,495,620.57
  5. Step 5: Solve for x
    x = 100,495,620.57/10,914.28
  6. Step 6: Final answer
    x = 9,207.72

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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.