Home / 9,034.09-13,618.84-8,431.99

Finding the Fourth Proportional to 9,034.09, 13,618.84 and 8,431.99

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Solution

The fourth proportional to 9,034.09, 13,618.84 and 8,431.99 is: 12,711.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,034.09 : 13,618.84 = 8,431.99 : x
  2. Step 2: Convert to fraction form
    9,034.09/13,618.84 = 8,431.99/x
  3. Step 3: Cross multiply
    9,034.09x = 13,618.84 × 8,431.99
  4. Step 4: Simplify right side
    9,034.09x = 114,833,922.69
  5. Step 5: Solve for x
    x = 114,833,922.69/9,034.09
  6. Step 6: Final answer
    x = 12,711.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.