Home / 22,008.12-33,005.20-7,213.72

Finding the Fourth Proportional to 22,008.12, 33,005.20 and 7,213.72

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Solution

The fourth proportional to 22,008.12, 33,005.20 and 7,213.72 is: 10,818.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,008.12 : 33,005.20 = 7,213.72 : x
  2. Step 2: Convert to fraction form
    22,008.12/33,005.20 = 7,213.72/x
  3. Step 3: Cross multiply
    22,008.12x = 33,005.20 × 7,213.72
  4. Step 4: Simplify right side
    22,008.12x = 238,090,271.34
  5. Step 5: Solve for x
    x = 238,090,271.34/22,008.12
  6. Step 6: Final answer
    x = 10,818.29

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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.