Home / 10,007.82-15,011.72-2,612.21

Finding the Fourth Proportional to 10,007.82, 15,011.72 and 2,612.21

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Solution

The fourth proportional to 10,007.82, 15,011.72 and 2,612.21 is: 3,918.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,007.82 : 15,011.72 = 2,612.21 : x
  2. Step 2: Convert to fraction form
    10,007.82/15,011.72 = 2,612.21/x
  3. Step 3: Cross multiply
    10,007.82x = 15,011.72 × 2,612.21
  4. Step 4: Simplify right side
    10,007.82x = 39,213,785.91
  5. Step 5: Solve for x
    x = 39,213,785.91/10,007.82
  6. Step 6: Final answer
    x = 3,918.32

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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.