Home / 18,695.12-28,034.46-7,000.14

Finding the Fourth Proportional to 18,695.12, 28,034.46 and 7,000.14

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Solution

The fourth proportional to 18,695.12, 28,034.46 and 7,000.14 is: 10,497.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,695.12 : 28,034.46 = 7,000.14 : x
  2. Step 2: Convert to fraction form
    18,695.12/28,034.46 = 7,000.14/x
  3. Step 3: Cross multiply
    18,695.12x = 28,034.46 × 7,000.14
  4. Step 4: Simplify right side
    18,695.12x = 196,245,144.82
  5. Step 5: Solve for x
    x = 196,245,144.82/18,695.12
  6. Step 6: Final answer
    x = 10,497.13

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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.