Home / 18,744.55-28,107.50-6,260.29

Finding the Fourth Proportional to 18,744.55, 28,107.50 and 6,260.29

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Solution

The fourth proportional to 18,744.55, 28,107.50 and 6,260.29 is: 9,387.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,744.55 : 28,107.50 = 6,260.29 : x
  2. Step 2: Convert to fraction form
    18,744.55/28,107.50 = 6,260.29/x
  3. Step 3: Cross multiply
    18,744.55x = 28,107.50 × 6,260.29
  4. Step 4: Simplify right side
    18,744.55x = 175,960,999.60
  5. Step 5: Solve for x
    x = 175,960,999.60/18,744.55
  6. Step 6: Final answer
    x = 9,387.32

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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.