Home / 22,238.34-30,692.70-12,812.37

Finding the Fourth Proportional to 22,238.34, 30,692.70 and 12,812.37

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Solution

The fourth proportional to 22,238.34, 30,692.70 and 12,812.37 is: 17,683.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,238.34 : 30,692.70 = 12,812.37 : x
  2. Step 2: Convert to fraction form
    22,238.34/30,692.70 = 12,812.37/x
  3. Step 3: Cross multiply
    22,238.34x = 30,692.70 × 12,812.37
  4. Step 4: Simplify right side
    22,238.34x = 393,246,228.70
  5. Step 5: Solve for x
    x = 393,246,228.70/22,238.34
  6. Step 6: Final answer
    x = 17,683.25

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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.