Home / 22,426.92-30,947.76-12,993.84

Finding the Fourth Proportional to 22,426.92, 30,947.76 and 12,993.84

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Solution

The fourth proportional to 22,426.92, 30,947.76 and 12,993.84 is: 17,930.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,426.92 : 30,947.76 = 12,993.84 : x
  2. Step 2: Convert to fraction form
    22,426.92/30,947.76 = 12,993.84/x
  3. Step 3: Cross multiply
    22,426.92x = 30,947.76 × 12,993.84
  4. Step 4: Simplify right side
    22,426.92x = 402,130,241.80
  5. Step 5: Solve for x
    x = 402,130,241.80/22,426.92
  6. Step 6: Final answer
    x = 17,930.69

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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.