Home / 18,657.39-25,746.55-10,159.36

Finding the Fourth Proportional to 18,657.39, 25,746.55 and 10,159.36

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Solution

The fourth proportional to 18,657.39, 25,746.55 and 10,159.36 is: 14,019.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,657.39 : 25,746.55 = 10,159.36 : x
  2. Step 2: Convert to fraction form
    18,657.39/25,746.55 = 10,159.36/x
  3. Step 3: Cross multiply
    18,657.39x = 25,746.55 × 10,159.36
  4. Step 4: Simplify right side
    18,657.39x = 261,568,470.21
  5. Step 5: Solve for x
    x = 261,568,470.21/18,657.39
  6. Step 6: Final answer
    x = 14,019.56

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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.