Home / 10,006.24-15,008.32-3,080

Finding the Fourth Proportional to 10,006.24, 15,008.32 and 3,080

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Solution

The fourth proportional to 10,006.24, 15,008.32 and 3,080 is: 4,619.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,006.24 : 15,008.32 = 3,080 : x
  2. Step 2: Convert to fraction form
    10,006.24/15,008.32 = 3,080/x
  3. Step 3: Cross multiply
    10,006.24x = 15,008.32 × 3,080
  4. Step 4: Simplify right side
    10,006.24x = 46,225,625.60
  5. Step 5: Solve for x
    x = 46,225,625.60/10,006.24
  6. Step 6: Final answer
    x = 4,619.68

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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.