Home / 18,724.53-28,077.39-6,240.18

Finding the Fourth Proportional to 18,724.53, 28,077.39 and 6,240.18

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Solution

The fourth proportional to 18,724.53, 28,077.39 and 6,240.18 is: 9,357.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,724.53 : 28,077.39 = 6,240.18 : x
  2. Step 2: Convert to fraction form
    18,724.53/28,077.39 = 6,240.18/x
  3. Step 3: Cross multiply
    18,724.53x = 28,077.39 × 6,240.18
  4. Step 4: Simplify right side
    18,724.53x = 175,207,967.53
  5. Step 5: Solve for x
    x = 175,207,967.53/18,724.53
  6. Step 6: Final answer
    x = 9,357.14

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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.