Home / 10,005.24-15,008.72-2,609.71

Finding the Fourth Proportional to 10,005.24, 15,008.72 and 2,609.71

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Solution

The fourth proportional to 10,005.24, 15,008.72 and 2,609.71 is: 3,914.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,005.24 : 15,008.72 = 2,609.71 : x
  2. Step 2: Convert to fraction form
    10,005.24/15,008.72 = 2,609.71/x
  3. Step 3: Cross multiply
    10,005.24x = 15,008.72 × 2,609.71
  4. Step 4: Simplify right side
    10,005.24x = 39,168,406.67
  5. Step 5: Solve for x
    x = 39,168,406.67/10,005.24
  6. Step 6: Final answer
    x = 3,914.79

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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.