Home / 9,338.42-12,869.30-6,681.22

Finding the Fourth Proportional to 9,338.42, 12,869.30 and 6,681.22

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Solution

The fourth proportional to 9,338.42, 12,869.30 and 6,681.22 is: 9,207.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,338.42 : 12,869.30 = 6,681.22 : x
  2. Step 2: Convert to fraction form
    9,338.42/12,869.30 = 6,681.22/x
  3. Step 3: Cross multiply
    9,338.42x = 12,869.30 × 6,681.22
  4. Step 4: Simplify right side
    9,338.42x = 85,982,624.55
  5. Step 5: Solve for x
    x = 85,982,624.55/9,338.42
  6. Step 6: Final answer
    x = 9,207.41

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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.