Home / 19,472.40-26,873.80-12,398.38

Finding the Fourth Proportional to 19,472.40, 26,873.80 and 12,398.38

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Solution

The fourth proportional to 19,472.40, 26,873.80 and 12,398.38 is: 17,110.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,472.40 : 26,873.80 = 12,398.38 : x
  2. Step 2: Convert to fraction form
    19,472.40/26,873.80 = 12,398.38/x
  3. Step 3: Cross multiply
    19,472.40x = 26,873.80 × 12,398.38
  4. Step 4: Simplify right side
    19,472.40x = 333,191,584.44
  5. Step 5: Solve for x
    x = 333,191,584.44/19,472.40
  6. Step 6: Final answer
    x = 17,110.97

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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.