Home / 19,049.60-26,282.30-12,340.38

Finding the Fourth Proportional to 19,049.60, 26,282.30 and 12,340.38

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Solution

The fourth proportional to 19,049.60, 26,282.30 and 12,340.38 is: 17,025.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,049.60 : 26,282.30 = 12,340.38 : x
  2. Step 2: Convert to fraction form
    19,049.60/26,282.30 = 12,340.38/x
  3. Step 3: Cross multiply
    19,049.60x = 26,282.30 × 12,340.38
  4. Step 4: Simplify right side
    19,049.60x = 324,333,569.27
  5. Step 5: Solve for x
    x = 324,333,569.27/19,049.60
  6. Step 6: Final answer
    x = 17,025.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.