Home / 15,755.92-23,639.62-7,326.32

Finding the Fourth Proportional to 15,755.92, 23,639.62 and 7,326.32

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Solution

The fourth proportional to 15,755.92, 23,639.62 and 7,326.32 is: 10,992.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,755.92 : 23,639.62 = 7,326.32 : x
  2. Step 2: Convert to fraction form
    15,755.92/23,639.62 = 7,326.32/x
  3. Step 3: Cross multiply
    15,755.92x = 23,639.62 × 7,326.32
  4. Step 4: Simplify right side
    15,755.92x = 173,191,420.80
  5. Step 5: Solve for x
    x = 173,191,420.80/15,755.92
  6. Step 6: Final answer
    x = 10,992.15

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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.