Home / 12,689.11-19,034.94-4,368.03

Finding the Fourth Proportional to 12,689.11, 19,034.94 and 4,368.03

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Solution

The fourth proportional to 12,689.11, 19,034.94 and 4,368.03 is: 6,552.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,689.11 : 19,034.94 = 4,368.03 : x
  2. Step 2: Convert to fraction form
    12,689.11/19,034.94 = 4,368.03/x
  3. Step 3: Cross multiply
    12,689.11x = 19,034.94 × 4,368.03
  4. Step 4: Simplify right side
    12,689.11x = 83,145,188.97
  5. Step 5: Solve for x
    x = 83,145,188.97/12,689.11
  6. Step 6: Final answer
    x = 6,552.48

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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.