Home / 15,084.72-22,610.66-12,886.79

Finding the Fourth Proportional to 15,084.72, 22,610.66 and 12,886.79

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Solution

The fourth proportional to 15,084.72, 22,610.66 and 12,886.79 is: 19,316.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,084.72 : 22,610.66 = 12,886.79 : x
  2. Step 2: Convert to fraction form
    15,084.72/22,610.66 = 12,886.79/x
  3. Step 3: Cross multiply
    15,084.72x = 22,610.66 × 12,886.79
  4. Step 4: Simplify right side
    15,084.72x = 291,378,649.69
  5. Step 5: Solve for x
    x = 291,378,649.69/15,084.72
  6. Step 6: Final answer
    x = 19,316.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.