Home / 15,019.41-20,725.95-8,304.64

Finding the Fourth Proportional to 15,019.41, 20,725.95 and 8,304.64

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Solution

The fourth proportional to 15,019.41, 20,725.95 and 8,304.64 is: 11,459.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,019.41 : 20,725.95 = 8,304.64 : x
  2. Step 2: Convert to fraction form
    15,019.41/20,725.95 = 8,304.64/x
  3. Step 3: Cross multiply
    15,019.41x = 20,725.95 × 8,304.64
  4. Step 4: Simplify right side
    15,019.41x = 172,121,553.41
  5. Step 5: Solve for x
    x = 172,121,553.41/15,019.41
  6. Step 6: Final answer
    x = 11,459.94

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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.