Home / 18,726.31-25,841.89-10,228.46

Finding the Fourth Proportional to 18,726.31, 25,841.89 and 10,228.46

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Solution

The fourth proportional to 18,726.31, 25,841.89 and 10,228.46 is: 14,115.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,726.31 : 25,841.89 = 10,228.46 : x
  2. Step 2: Convert to fraction form
    18,726.31/25,841.89 = 10,228.46/x
  3. Step 3: Cross multiply
    18,726.31x = 25,841.89 × 10,228.46
  4. Step 4: Simplify right side
    18,726.31x = 264,322,621.77
  5. Step 5: Solve for x
    x = 264,322,621.77/18,726.31
  6. Step 6: Final answer
    x = 14,115.04

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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.