Home / 9,301.81-12,825.66-6,939.85

Finding the Fourth Proportional to 9,301.81, 12,825.66 and 6,939.85

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Solution

The fourth proportional to 9,301.81, 12,825.66 and 6,939.85 is: 9,568.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,301.81 : 12,825.66 = 6,939.85 : x
  2. Step 2: Convert to fraction form
    9,301.81/12,825.66 = 6,939.85/x
  3. Step 3: Cross multiply
    9,301.81x = 12,825.66 × 6,939.85
  4. Step 4: Simplify right side
    9,301.81x = 89,008,156.55
  5. Step 5: Solve for x
    x = 89,008,156.55/9,301.81
  6. Step 6: Final answer
    x = 9,568.91

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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.