Home / 18,744.64-28,107.52-6,260.32

Finding the Fourth Proportional to 18,744.64, 28,107.52 and 6,260.32

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Solution

The fourth proportional to 18,744.64, 28,107.52 and 6,260.32 is: 9,387.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,744.64 : 28,107.52 = 6,260.32 : x
  2. Step 2: Convert to fraction form
    18,744.64/28,107.52 = 6,260.32/x
  3. Step 3: Cross multiply
    18,744.64x = 28,107.52 × 6,260.32
  4. Step 4: Simplify right side
    18,744.64x = 175,962,069.61
  5. Step 5: Solve for x
    x = 175,962,069.61/18,744.64
  6. Step 6: Final answer
    x = 9,387.33

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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.