Home / 15,716.72-23,553.60-8,686.32

Finding the Fourth Proportional to 15,716.72, 23,553.60 and 8,686.32

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Solution

The fourth proportional to 15,716.72, 23,553.60 and 8,686.32 is: 13,017.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,716.72 : 23,553.60 = 8,686.32 : x
  2. Step 2: Convert to fraction form
    15,716.72/23,553.60 = 8,686.32/x
  3. Step 3: Cross multiply
    15,716.72x = 23,553.60 × 8,686.32
  4. Step 4: Simplify right side
    15,716.72x = 204,594,106.75
  5. Step 5: Solve for x
    x = 204,594,106.75/15,716.72
  6. Step 6: Final answer
    x = 13,017.61

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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.