Home / 16,103.90-22,221.51-9,734.33

Finding the Fourth Proportional to 16,103.90, 22,221.51 and 9,734.33

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Solution

The fourth proportional to 16,103.90, 22,221.51 and 9,734.33 is: 13,432.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,103.90 : 22,221.51 = 9,734.33 : x
  2. Step 2: Convert to fraction form
    16,103.90/22,221.51 = 9,734.33/x
  3. Step 3: Cross multiply
    16,103.90x = 22,221.51 × 9,734.33
  4. Step 4: Simplify right side
    16,103.90x = 216,311,400.33
  5. Step 5: Solve for x
    x = 216,311,400.33/16,103.90
  6. Step 6: Final answer
    x = 13,432.24

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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.