Home / 12,175.52-18,262.98-6,663.87

Finding the Fourth Proportional to 12,175.52, 18,262.98 and 6,663.87

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Solution

The fourth proportional to 12,175.52, 18,262.98 and 6,663.87 is: 9,995.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,175.52 : 18,262.98 = 6,663.87 : x
  2. Step 2: Convert to fraction form
    12,175.52/18,262.98 = 6,663.87/x
  3. Step 3: Cross multiply
    12,175.52x = 18,262.98 × 6,663.87
  4. Step 4: Simplify right side
    12,175.52x = 121,702,124.53
  5. Step 5: Solve for x
    x = 121,702,124.53/12,175.52
  6. Step 6: Final answer
    x = 9,995.64

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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.