Home / 18,850.19-28,276.65-6,366.06

Finding the Fourth Proportional to 18,850.19, 28,276.65 and 6,366.06

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Solution

The fourth proportional to 18,850.19, 28,276.65 and 6,366.06 is: 9,549.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,850.19 : 28,276.65 = 6,366.06 : x
  2. Step 2: Convert to fraction form
    18,850.19/28,276.65 = 6,366.06/x
  3. Step 3: Cross multiply
    18,850.19x = 28,276.65 × 6,366.06
  4. Step 4: Simplify right side
    18,850.19x = 180,010,850.50
  5. Step 5: Solve for x
    x = 180,010,850.50/18,850.19
  6. Step 6: Final answer
    x = 9,549.55

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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.