Home / 22,226.20-33,339.30-7,430.20

Finding the Fourth Proportional to 22,226.20, 33,339.30 and 7,430.20

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Solution

The fourth proportional to 22,226.20, 33,339.30 and 7,430.20 is: 11,145.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,226.20 : 33,339.30 = 7,430.20 : x
  2. Step 2: Convert to fraction form
    22,226.20/33,339.30 = 7,430.20/x
  3. Step 3: Cross multiply
    22,226.20x = 33,339.30 × 7,430.20
  4. Step 4: Simplify right side
    22,226.20x = 247,717,666.86
  5. Step 5: Solve for x
    x = 247,717,666.86/22,226.20
  6. Step 6: Final answer
    x = 11,145.30

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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.