Home / 9,328.27-12,869.09-6,178.99

Finding the Fourth Proportional to 9,328.27, 12,869.09 and 6,178.99

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Solution

The fourth proportional to 9,328.27, 12,869.09 and 6,178.99 is: 8,524.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,328.27 : 12,869.09 = 6,178.99 : x
  2. Step 2: Convert to fraction form
    9,328.27/12,869.09 = 6,178.99/x
  3. Step 3: Cross multiply
    9,328.27x = 12,869.09 × 6,178.99
  4. Step 4: Simplify right side
    9,328.27x = 79,517,947.52
  5. Step 5: Solve for x
    x = 79,517,947.52/9,328.27
  6. Step 6: Final answer
    x = 8,524.40

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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.