Home / 9,382.50-14,089.85-8,330.69

Finding the Fourth Proportional to 9,382.50, 14,089.85 and 8,330.69

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Solution

The fourth proportional to 9,382.50, 14,089.85 and 8,330.69 is: 12,510.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,382.50 : 14,089.85 = 8,330.69 : x
  2. Step 2: Convert to fraction form
    9,382.50/14,089.85 = 8,330.69/x
  3. Step 3: Cross multiply
    9,382.50x = 14,089.85 × 8,330.69
  4. Step 4: Simplify right side
    9,382.50x = 117,378,060.39
  5. Step 5: Solve for x
    x = 117,378,060.39/9,382.50
  6. Step 6: Final answer
    x = 12,510.32

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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.