Home / 10,655.56-14,704.48-6,179.72

Finding the Fourth Proportional to 10,655.56, 14,704.48 and 6,179.72

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Solution

The fourth proportional to 10,655.56, 14,704.48 and 6,179.72 is: 8,527.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,655.56 : 14,704.48 = 6,179.72 : x
  2. Step 2: Convert to fraction form
    10,655.56/14,704.48 = 6,179.72/x
  3. Step 3: Cross multiply
    10,655.56x = 14,704.48 × 6,179.72
  4. Step 4: Simplify right side
    10,655.56x = 90,869,569.15
  5. Step 5: Solve for x
    x = 90,869,569.15/10,655.56
  6. Step 6: Final answer
    x = 8,527.90

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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.