Home / 22,622.39-31,218.85-12,552.36

Finding the Fourth Proportional to 22,622.39, 31,218.85 and 12,552.36

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Solution

The fourth proportional to 22,622.39, 31,218.85 and 12,552.36 is: 17,322.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,622.39 : 31,218.85 = 12,552.36 : x
  2. Step 2: Convert to fraction form
    22,622.39/31,218.85 = 12,552.36/x
  3. Step 3: Cross multiply
    22,622.39x = 31,218.85 × 12,552.36
  4. Step 4: Simplify right side
    22,622.39x = 391,870,243.99
  5. Step 5: Solve for x
    x = 391,870,243.99/22,622.39
  6. Step 6: Final answer
    x = 17,322.23

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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.