Home / 12,663.04-18,998.88-6,820.24

Finding the Fourth Proportional to 12,663.04, 18,998.88 and 6,820.24

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Solution

The fourth proportional to 12,663.04, 18,998.88 and 6,820.24 is: 10,232.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,663.04 : 18,998.88 = 6,820.24 : x
  2. Step 2: Convert to fraction form
    12,663.04/18,998.88 = 6,820.24/x
  3. Step 3: Cross multiply
    12,663.04x = 18,998.88 × 6,820.24
  4. Step 4: Simplify right side
    12,663.04x = 129,576,921.33
  5. Step 5: Solve for x
    x = 129,576,921.33/12,663.04
  6. Step 6: Final answer
    x = 10,232.69

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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.