Home / 12,763.23-17,613.30-7,098.49

Finding the Fourth Proportional to 12,763.23, 17,613.30 and 7,098.49

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Solution

The fourth proportional to 12,763.23, 17,613.30 and 7,098.49 is: 9,795.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,763.23 : 17,613.30 = 7,098.49 : x
  2. Step 2: Convert to fraction form
    12,763.23/17,613.30 = 7,098.49/x
  3. Step 3: Cross multiply
    12,763.23x = 17,613.30 × 7,098.49
  4. Step 4: Simplify right side
    12,763.23x = 125,027,833.92
  5. Step 5: Solve for x
    x = 125,027,833.92/12,763.23
  6. Step 6: Final answer
    x = 9,795.94

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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.