Home / 15,018.54-20,726.19-8,304.18

Finding the Fourth Proportional to 15,018.54, 20,726.19 and 8,304.18

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Solution

The fourth proportional to 15,018.54, 20,726.19 and 8,304.18 is: 11,460.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,018.54 : 20,726.19 = 8,304.18 : x
  2. Step 2: Convert to fraction form
    15,018.54/20,726.19 = 8,304.18/x
  3. Step 3: Cross multiply
    15,018.54x = 20,726.19 × 8,304.18
  4. Step 4: Simplify right side
    15,018.54x = 172,114,012.47
  5. Step 5: Solve for x
    x = 172,114,012.47/15,018.54
  6. Step 6: Final answer
    x = 11,460.10

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Double scale
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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.