Home / 12,350.43-18,509.22-10,699.29

Finding the Fourth Proportional to 12,350.43, 18,509.22 and 10,699.29

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Solution

The fourth proportional to 12,350.43, 18,509.22 and 10,699.29 is: 16,034.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,350.43 : 18,509.22 = 10,699.29 : x
  2. Step 2: Convert to fraction form
    12,350.43/18,509.22 = 10,699.29/x
  3. Step 3: Cross multiply
    12,350.43x = 18,509.22 × 10,699.29
  4. Step 4: Simplify right side
    12,350.43x = 198,035,512.45
  5. Step 5: Solve for x
    x = 198,035,512.45/12,350.43
  6. Step 6: Final answer
    x = 16,034.71

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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.