Home / 15,540.74-23,316.92-9,305.16

Finding the Fourth Proportional to 15,540.74, 23,316.92 and 9,305.16

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Solution

The fourth proportional to 15,540.74, 23,316.92 and 9,305.16 is: 13,961.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,540.74 : 23,316.92 = 9,305.16 : x
  2. Step 2: Convert to fraction form
    15,540.74/23,316.92 = 9,305.16/x
  3. Step 3: Cross multiply
    15,540.74x = 23,316.92 × 9,305.16
  4. Step 4: Simplify right side
    15,540.74x = 216,967,671.31
  5. Step 5: Solve for x
    x = 216,967,671.31/15,540.74
  6. Step 6: Final answer
    x = 13,961.22

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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.