Home / 22,419.63-30,944.57-12,993.66

Finding the Fourth Proportional to 22,419.63, 30,944.57 and 12,993.66

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Solution

The fourth proportional to 22,419.63, 30,944.57 and 12,993.66 is: 17,934.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,419.63 : 30,944.57 = 12,993.66 : x
  2. Step 2: Convert to fraction form
    22,419.63/30,944.57 = 12,993.66/x
  3. Step 3: Cross multiply
    22,419.63x = 30,944.57 × 12,993.66
  4. Step 4: Simplify right side
    22,419.63x = 402,083,156.46
  5. Step 5: Solve for x
    x = 402,083,156.46/22,419.63
  6. Step 6: Final answer
    x = 17,934.42

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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.