Home / 12,544.72-18,818.44-5,521.71

Finding the Fourth Proportional to 12,544.72, 18,818.44 and 5,521.71

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Solution

The fourth proportional to 12,544.72, 18,818.44 and 5,521.71 is: 8,283.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,544.72 : 18,818.44 = 5,521.71 : x
  2. Step 2: Convert to fraction form
    12,544.72/18,818.44 = 5,521.71/x
  3. Step 3: Cross multiply
    12,544.72x = 18,818.44 × 5,521.71
  4. Step 4: Simplify right side
    12,544.72x = 103,909,968.33
  5. Step 5: Solve for x
    x = 103,909,968.33/12,544.72
  6. Step 6: Final answer
    x = 8,283.17

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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.