Home / 10,655.43-14,704.20-6,178.89

Finding the Fourth Proportional to 10,655.43, 14,704.20 and 6,178.89

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Solution

The fourth proportional to 10,655.43, 14,704.20 and 6,178.89 is: 8,526.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,655.43 : 14,704.20 = 6,178.89 : x
  2. Step 2: Convert to fraction form
    10,655.43/14,704.20 = 6,178.89/x
  3. Step 3: Cross multiply
    10,655.43x = 14,704.20 × 6,178.89
  4. Step 4: Simplify right side
    10,655.43x = 90,855,689.48
  5. Step 5: Solve for x
    x = 90,855,689.48/10,655.43
  6. Step 6: Final answer
    x = 8,526.71

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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.