Home / 22,421.04-33,631.56-12,018.48

Finding the Fourth Proportional to 22,421.04, 33,631.56 and 12,018.48

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Solution

The fourth proportional to 22,421.04, 33,631.56 and 12,018.48 is: 18,027.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,421.04 : 33,631.56 = 12,018.48 : x
  2. Step 2: Convert to fraction form
    22,421.04/33,631.56 = 12,018.48/x
  3. Step 3: Cross multiply
    22,421.04x = 33,631.56 × 12,018.48
  4. Step 4: Simplify right side
    22,421.04x = 404,200,231.23
  5. Step 5: Solve for x
    x = 404,200,231.23/22,421.04
  6. Step 6: Final answer
    x = 18,027.72

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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.