Home / 22,263.47-33,407.50-12,408.30

Finding the Fourth Proportional to 22,263.47, 33,407.50 and 12,408.30

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Solution

The fourth proportional to 22,263.47, 33,407.50 and 12,408.30 is: 18,619.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,263.47 : 33,407.50 = 12,408.30 : x
  2. Step 2: Convert to fraction form
    22,263.47/33,407.50 = 12,408.30/x
  3. Step 3: Cross multiply
    22,263.47x = 33,407.50 × 12,408.30
  4. Step 4: Simplify right side
    22,263.47x = 414,530,282.25
  5. Step 5: Solve for x
    x = 414,530,282.25/22,263.47
  6. Step 6: Final answer
    x = 18,619.30

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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.