Home / 9,351.09-14,011.18-8,386.38

Finding the Fourth Proportional to 9,351.09, 14,011.18 and 8,386.38

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Solution

The fourth proportional to 9,351.09, 14,011.18 and 8,386.38 is: 12,565.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,351.09 : 14,011.18 = 8,386.38 : x
  2. Step 2: Convert to fraction form
    9,351.09/14,011.18 = 8,386.38/x
  3. Step 3: Cross multiply
    9,351.09x = 14,011.18 × 8,386.38
  4. Step 4: Simplify right side
    9,351.09x = 117,503,079.73
  5. Step 5: Solve for x
    x = 117,503,079.73/9,351.09
  6. Step 6: Final answer
    x = 12,565.71

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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.