Home / 9,118.27-12,571.03-6,839.93

Finding the Fourth Proportional to 9,118.27, 12,571.03 and 6,839.93

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Solution

The fourth proportional to 9,118.27, 12,571.03 and 6,839.93 is: 9,429.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,118.27 : 12,571.03 = 6,839.93 : x
  2. Step 2: Convert to fraction form
    9,118.27/12,571.03 = 6,839.93/x
  3. Step 3: Cross multiply
    9,118.27x = 12,571.03 × 6,839.93
  4. Step 4: Simplify right side
    9,118.27x = 85,984,868.17
  5. Step 5: Solve for x
    x = 85,984,868.17/9,118.27
  6. Step 6: Final answer
    x = 9,429.95

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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.