Home / 10,008.65-15,025.73-8,163.36

Finding the Fourth Proportional to 10,008.65, 15,025.73 and 8,163.36

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Solution

The fourth proportional to 10,008.65, 15,025.73 and 8,163.36 is: 12,255.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,008.65 : 15,025.73 = 8,163.36 : x
  2. Step 2: Convert to fraction form
    10,008.65/15,025.73 = 8,163.36/x
  3. Step 3: Cross multiply
    10,008.65x = 15,025.73 × 8,163.36
  4. Step 4: Simplify right side
    10,008.65x = 122,660,402.44
  5. Step 5: Solve for x
    x = 122,660,402.44/10,008.65
  6. Step 6: Final answer
    x = 12,255.45

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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.