Home / 15,340.15-23,015.69-8,771.86

Finding the Fourth Proportional to 15,340.15, 23,015.69 and 8,771.86

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Solution

The fourth proportional to 15,340.15, 23,015.69 and 8,771.86 is: 13,160.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,340.15 : 23,015.69 = 8,771.86 : x
  2. Step 2: Convert to fraction form
    15,340.15/23,015.69 = 8,771.86/x
  3. Step 3: Cross multiply
    15,340.15x = 23,015.69 × 8,771.86
  4. Step 4: Simplify right side
    15,340.15x = 201,890,251.55
  5. Step 5: Solve for x
    x = 201,890,251.55/15,340.15
  6. Step 6: Final answer
    x = 13,160.91

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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.