Home / 16,442.65-22,689.48-9,272.16

Finding the Fourth Proportional to 16,442.65, 22,689.48 and 9,272.16

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Solution

The fourth proportional to 16,442.65, 22,689.48 and 9,272.16 is: 12,794.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,442.65 : 22,689.48 = 9,272.16 : x
  2. Step 2: Convert to fraction form
    16,442.65/22,689.48 = 9,272.16/x
  3. Step 3: Cross multiply
    16,442.65x = 22,689.48 × 9,272.16
  4. Step 4: Simplify right side
    16,442.65x = 210,380,488.88
  5. Step 5: Solve for x
    x = 210,380,488.88/16,442.65
  6. Step 6: Final answer
    x = 12,794.80

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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.