Home / 22,012.24-33,017.38-12,156.40

Finding the Fourth Proportional to 22,012.24, 33,017.38 and 12,156.40

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Solution

The fourth proportional to 22,012.24, 33,017.38 and 12,156.40 is: 18,234.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,012.24 : 33,017.38 = 12,156.40 : x
  2. Step 2: Convert to fraction form
    22,012.24/33,017.38 = 12,156.40/x
  3. Step 3: Cross multiply
    22,012.24x = 33,017.38 × 12,156.40
  4. Step 4: Simplify right side
    22,012.24x = 401,372,478.23
  5. Step 5: Solve for x
    x = 401,372,478.23/22,012.24
  6. Step 6: Final answer
    x = 18,234.06

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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.