Home / 15,018.41-20,725.89-8,304.26

Finding the Fourth Proportional to 15,018.41, 20,725.89 and 8,304.26

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Solution

The fourth proportional to 15,018.41, 20,725.89 and 8,304.26 is: 11,460.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,018.41 : 20,725.89 = 8,304.26 : x
  2. Step 2: Convert to fraction form
    15,018.41/20,725.89 = 8,304.26/x
  3. Step 3: Cross multiply
    15,018.41x = 20,725.89 × 8,304.26
  4. Step 4: Simplify right side
    15,018.41x = 172,113,179.29
  5. Step 5: Solve for x
    x = 172,113,179.29/15,018.41
  6. Step 6: Final answer
    x = 11,460.15

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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.