Home / 10,753.64-16,126.28-4,178.96

Finding the Fourth Proportional to 10,753.64, 16,126.28 and 4,178.96

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Solution

The fourth proportional to 10,753.64, 16,126.28 and 4,178.96 is: 6,266.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,753.64 : 16,126.28 = 4,178.96 : x
  2. Step 2: Convert to fraction form
    10,753.64/16,126.28 = 4,178.96/x
  3. Step 3: Cross multiply
    10,753.64x = 16,126.28 × 4,178.96
  4. Step 4: Simplify right side
    10,753.64x = 67,391,079.07
  5. Step 5: Solve for x
    x = 67,391,079.07/10,753.64
  6. Step 6: Final answer
    x = 6,266.82

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1.5x scale

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.