Home / 19,387.05-26,764.31-13,046.98

Finding the Fourth Proportional to 19,387.05, 26,764.31 and 13,046.98

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Solution

The fourth proportional to 19,387.05, 26,764.31 and 13,046.98 is: 18,011.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,387.05 : 26,764.31 = 13,046.98 : x
  2. Step 2: Convert to fraction form
    19,387.05/26,764.31 = 13,046.98/x
  3. Step 3: Cross multiply
    19,387.05x = 26,764.31 × 13,046.98
  4. Step 4: Simplify right side
    19,387.05x = 349,193,417.28
  5. Step 5: Solve for x
    x = 349,193,417.28/19,387.05
  6. Step 6: Final answer
    x = 18,011.68

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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.