Home / 8,818.39-13,288.27-7,292.71

Finding the Fourth Proportional to 8,818.39, 13,288.27 and 7,292.71

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Solution

The fourth proportional to 8,818.39, 13,288.27 and 7,292.71 is: 10,989.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,818.39 : 13,288.27 = 7,292.71 : x
  2. Step 2: Convert to fraction form
    8,818.39/13,288.27 = 7,292.71/x
  3. Step 3: Cross multiply
    8,818.39x = 13,288.27 × 7,292.71
  4. Step 4: Simplify right side
    8,818.39x = 96,907,418.69
  5. Step 5: Solve for x
    x = 96,907,418.69/8,818.39
  6. Step 6: Final answer
    x = 10,989.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.