Home / 19,801.08-29,680.04-7,310.57

Finding the Fourth Proportional to 19,801.08, 29,680.04 and 7,310.57

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Solution

The fourth proportional to 19,801.08, 29,680.04 and 7,310.57 is: 10,957.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,801.08 : 29,680.04 = 7,310.57 : x
  2. Step 2: Convert to fraction form
    19,801.08/29,680.04 = 7,310.57/x
  3. Step 3: Cross multiply
    19,801.08x = 29,680.04 × 7,310.57
  4. Step 4: Simplify right side
    19,801.08x = 216,977,879.90
  5. Step 5: Solve for x
    x = 216,977,879.90/19,801.08
  6. Step 6: Final answer
    x = 10,957.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.