Home / 10,005.16-15,007.26-2,508.79

Finding the Fourth Proportional to 10,005.16, 15,007.26 and 2,508.79

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Solution

The fourth proportional to 10,005.16, 15,007.26 and 2,508.79 is: 3,763.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,005.16 : 15,007.26 = 2,508.79 : x
  2. Step 2: Convert to fraction form
    10,005.16/15,007.26 = 2,508.79/x
  3. Step 3: Cross multiply
    10,005.16x = 15,007.26 × 2,508.79
  4. Step 4: Simplify right side
    10,005.16x = 37,650,063.82
  5. Step 5: Solve for x
    x = 37,650,063.82/10,005.16
  6. Step 6: Final answer
    x = 3,763.06

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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.