Home / 10,681.38-16,026.22-4,439.80

Finding the Fourth Proportional to 10,681.38, 16,026.22 and 4,439.80

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Solution

The fourth proportional to 10,681.38, 16,026.22 and 4,439.80 is: 6,661.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,681.38 : 16,026.22 = 4,439.80 : x
  2. Step 2: Convert to fraction form
    10,681.38/16,026.22 = 4,439.80/x
  3. Step 3: Cross multiply
    10,681.38x = 16,026.22 × 4,439.80
  4. Step 4: Simplify right side
    10,681.38x = 71,153,211.56
  5. Step 5: Solve for x
    x = 71,153,211.56/10,681.38
  6. Step 6: Final answer
    x = 6,661.42

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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.