Home / 15,007.38-20,699.46-11,464.44

Finding the Fourth Proportional to 15,007.38, 20,699.46 and 11,464.44

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Solution

The fourth proportional to 15,007.38, 20,699.46 and 11,464.44 is: 15,812.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,007.38 : 20,699.46 = 11,464.44 : x
  2. Step 2: Convert to fraction form
    15,007.38/20,699.46 = 11,464.44/x
  3. Step 3: Cross multiply
    15,007.38x = 20,699.46 × 11,464.44
  4. Step 4: Simplify right side
    15,007.38x = 237,307,717.20
  5. Step 5: Solve for x
    x = 237,307,717.20/15,007.38
  6. Step 6: Final answer
    x = 15,812.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.