Home / 15,727.20-23,551.88-9,133.44

Finding the Fourth Proportional to 15,727.20, 23,551.88 and 9,133.44

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Solution

The fourth proportional to 15,727.20, 23,551.88 and 9,133.44 is: 13,677.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,727.20 : 23,551.88 = 9,133.44 : x
  2. Step 2: Convert to fraction form
    15,727.20/23,551.88 = 9,133.44/x
  3. Step 3: Cross multiply
    15,727.20x = 23,551.88 × 9,133.44
  4. Step 4: Simplify right side
    15,727.20x = 215,109,682.87
  5. Step 5: Solve for x
    x = 215,109,682.87/15,727.20
  6. Step 6: Final answer
    x = 13,677.56

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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.