Home / 10,863.16-14,989.26-6,672.76

Finding the Fourth Proportional to 10,863.16, 14,989.26 and 6,672.76

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Solution

The fourth proportional to 10,863.16, 14,989.26 and 6,672.76 is: 9,207.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,863.16 : 14,989.26 = 6,672.76 : x
  2. Step 2: Convert to fraction form
    10,863.16/14,989.26 = 6,672.76/x
  3. Step 3: Cross multiply
    10,863.16x = 14,989.26 × 6,672.76
  4. Step 4: Simplify right side
    10,863.16x = 100,019,734.56
  5. Step 5: Solve for x
    x = 100,019,734.56/10,863.16
  6. Step 6: Final answer
    x = 9,207.24

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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.