Home / 9,888.20-14,834.13-8,055.38

Finding the Fourth Proportional to 9,888.20, 14,834.13 and 8,055.38

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Solution

The fourth proportional to 9,888.20, 14,834.13 and 8,055.38 is: 12,084.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,888.20 : 14,834.13 = 8,055.38 : x
  2. Step 2: Convert to fraction form
    9,888.20/14,834.13 = 8,055.38/x
  3. Step 3: Cross multiply
    9,888.20x = 14,834.13 × 8,055.38
  4. Step 4: Simplify right side
    9,888.20x = 119,494,479.95
  5. Step 5: Solve for x
    x = 119,494,479.95/9,888.20
  6. Step 6: Final answer
    x = 12,084.55

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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.