Home / 16,150.93-22,295.12-15,142.07

Finding the Fourth Proportional to 16,150.93, 22,295.12 and 15,142.07

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Solution

The fourth proportional to 16,150.93, 22,295.12 and 15,142.07 is: 20,902.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,150.93 : 22,295.12 = 15,142.07 : x
  2. Step 2: Convert to fraction form
    16,150.93/22,295.12 = 15,142.07/x
  3. Step 3: Cross multiply
    16,150.93x = 22,295.12 × 15,142.07
  4. Step 4: Simplify right side
    16,150.93x = 337,594,247.73
  5. Step 5: Solve for x
    x = 337,594,247.73/16,150.93
  6. Step 6: Final answer
    x = 20,902.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.