Home / 18,889.29-26,067.56-10,392.12

Finding the Fourth Proportional to 18,889.29, 26,067.56 and 10,392.12

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Solution

The fourth proportional to 18,889.29, 26,067.56 and 10,392.12 is: 14,341.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,889.29 : 26,067.56 = 10,392.12 : x
  2. Step 2: Convert to fraction form
    18,889.29/26,067.56 = 10,392.12/x
  3. Step 3: Cross multiply
    18,889.29x = 26,067.56 × 10,392.12
  4. Step 4: Simplify right side
    18,889.29x = 270,897,159.67
  5. Step 5: Solve for x
    x = 270,897,159.67/18,889.29
  6. Step 6: Final answer
    x = 14,341.31

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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.