Home / 14,442.62-21,665.14-5,081.65

Finding the Fourth Proportional to 14,442.62, 21,665.14 and 5,081.65

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Solution

The fourth proportional to 14,442.62, 21,665.14 and 5,081.65 is: 7,622.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,442.62 : 21,665.14 = 5,081.65 : x
  2. Step 2: Convert to fraction form
    14,442.62/21,665.14 = 5,081.65/x
  3. Step 3: Cross multiply
    14,442.62x = 21,665.14 × 5,081.65
  4. Step 4: Simplify right side
    14,442.62x = 110,094,591.81
  5. Step 5: Solve for x
    x = 110,094,591.81/14,442.62
  6. Step 6: Final answer
    x = 7,622.90

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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.