Home / 15,864.60-23,796.90-13,272.60

Finding the Fourth Proportional to 15,864.60, 23,796.90 and 13,272.60

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Solution

The fourth proportional to 15,864.60, 23,796.90 and 13,272.60 is: 19,908.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,864.60 : 23,796.90 = 13,272.60 : x
  2. Step 2: Convert to fraction form
    15,864.60/23,796.90 = 13,272.60/x
  3. Step 3: Cross multiply
    15,864.60x = 23,796.90 × 13,272.60
  4. Step 4: Simplify right side
    15,864.60x = 315,846,734.94
  5. Step 5: Solve for x
    x = 315,846,734.94/15,864.60
  6. Step 6: Final answer
    x = 19,908.90

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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.