Home / 16,193.93-22,347.18-9,120.20

Finding the Fourth Proportional to 16,193.93, 22,347.18 and 9,120.20

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Solution

The fourth proportional to 16,193.93, 22,347.18 and 9,120.20 is: 12,585.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,193.93 : 22,347.18 = 9,120.20 : x
  2. Step 2: Convert to fraction form
    16,193.93/22,347.18 = 9,120.20/x
  3. Step 3: Cross multiply
    16,193.93x = 22,347.18 × 9,120.20
  4. Step 4: Simplify right side
    16,193.93x = 203,810,639.30
  5. Step 5: Solve for x
    x = 203,810,639.30/16,193.93
  6. Step 6: Final answer
    x = 12,585.62

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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.