Home / 12,663.29-17,475.23-6,998.42

Finding the Fourth Proportional to 12,663.29, 17,475.23 and 6,998.42

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Solution

The fourth proportional to 12,663.29, 17,475.23 and 6,998.42 is: 9,657.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,663.29 : 17,475.23 = 6,998.42 : x
  2. Step 2: Convert to fraction form
    12,663.29/17,475.23 = 6,998.42/x
  3. Step 3: Cross multiply
    12,663.29x = 17,475.23 × 6,998.42
  4. Step 4: Simplify right side
    12,663.29x = 122,299,060.32
  5. Step 5: Solve for x
    x = 122,299,060.32/12,663.29
  6. Step 6: Final answer
    x = 9,657.76

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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.