Home / 16,260.80-22,438.56-9,188.48

Finding the Fourth Proportional to 16,260.80, 22,438.56 and 9,188.48

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Solution

The fourth proportional to 16,260.80, 22,438.56 and 9,188.48 is: 12,679.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,260.80 : 22,438.56 = 9,188.48 : x
  2. Step 2: Convert to fraction form
    16,260.80/22,438.56 = 9,188.48/x
  3. Step 3: Cross multiply
    16,260.80x = 22,438.56 × 9,188.48
  4. Step 4: Simplify right side
    16,260.80x = 206,176,259.79
  5. Step 5: Solve for x
    x = 206,176,259.79/16,260.80
  6. Step 6: Final answer
    x = 12,679.34

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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.