Home / 15,687.20-23,523.60-6,917.60

Finding the Fourth Proportional to 15,687.20, 23,523.60 and 6,917.60

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Solution

The fourth proportional to 15,687.20, 23,523.60 and 6,917.60 is: 10,373.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,687.20 : 23,523.60 = 6,917.60 : x
  2. Step 2: Convert to fraction form
    15,687.20/23,523.60 = 6,917.60/x
  3. Step 3: Cross multiply
    15,687.20x = 23,523.60 × 6,917.60
  4. Step 4: Simplify right side
    15,687.20x = 162,726,855.36
  5. Step 5: Solve for x
    x = 162,726,855.36/15,687.20
  6. Step 6: Final answer
    x = 10,373.23

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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.