Home / 16,405.88-22,641.32-9,334.58

Finding the Fourth Proportional to 16,405.88, 22,641.32 and 9,334.58

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Solution

The fourth proportional to 16,405.88, 22,641.32 and 9,334.58 is: 12,882.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,405.88 : 22,641.32 = 9,334.58 : x
  2. Step 2: Convert to fraction form
    16,405.88/22,641.32 = 9,334.58/x
  3. Step 3: Cross multiply
    16,405.88x = 22,641.32 × 9,334.58
  4. Step 4: Simplify right side
    16,405.88x = 211,347,122.98
  5. Step 5: Solve for x
    x = 211,347,122.98/16,405.88
  6. Step 6: Final answer
    x = 12,882.40

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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.