Home / 12,663.56-17,475.60-6,998.68

Finding the Fourth Proportional to 12,663.56, 17,475.60 and 6,998.68

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Solution

The fourth proportional to 12,663.56, 17,475.60 and 6,998.68 is: 9,658.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,663.56 : 17,475.60 = 6,998.68 : x
  2. Step 2: Convert to fraction form
    12,663.56/17,475.60 = 6,998.68/x
  3. Step 3: Cross multiply
    12,663.56x = 17,475.60 × 6,998.68
  4. Step 4: Simplify right side
    12,663.56x = 122,306,132.21
  5. Step 5: Solve for x
    x = 122,306,132.21/12,663.56
  6. Step 6: Final answer
    x = 9,658.12

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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.