Home / 15,990.82-22,076.35-11,088.29

Finding the Fourth Proportional to 15,990.82, 22,076.35 and 11,088.29

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Solution

The fourth proportional to 15,990.82, 22,076.35 and 11,088.29 is: 15,308.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,990.82 : 22,076.35 = 11,088.29 : x
  2. Step 2: Convert to fraction form
    15,990.82/22,076.35 = 11,088.29/x
  3. Step 3: Cross multiply
    15,990.82x = 22,076.35 × 11,088.29
  4. Step 4: Simplify right side
    15,990.82x = 244,788,998.41
  5. Step 5: Solve for x
    x = 244,788,998.41/15,990.82
  6. Step 6: Final answer
    x = 15,308.10

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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.