Home / 18,718.14-28,065.59-6,234.92

Finding the Fourth Proportional to 18,718.14, 28,065.59 and 6,234.92

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Solution

The fourth proportional to 18,718.14, 28,065.59 and 6,234.92 is: 9,348.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,718.14 : 28,065.59 = 6,234.92 : x
  2. Step 2: Convert to fraction form
    18,718.14/28,065.59 = 6,234.92/x
  3. Step 3: Cross multiply
    18,718.14x = 28,065.59 × 6,234.92
  4. Step 4: Simplify right side
    18,718.14x = 174,986,823.40
  5. Step 5: Solve for x
    x = 174,986,823.40/18,718.14
  6. Step 6: Final answer
    x = 9,348.52

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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.