Home / 22,020.64-33,031.96-6,438.26

Finding the Fourth Proportional to 22,020.64, 33,031.96 and 6,438.26

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Solution

The fourth proportional to 22,020.64, 33,031.96 and 6,438.26 is: 9,657.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,020.64 : 33,031.96 = 6,438.26 : x
  2. Step 2: Convert to fraction form
    22,020.64/33,031.96 = 6,438.26/x
  3. Step 3: Cross multiply
    22,020.64x = 33,031.96 × 6,438.26
  4. Step 4: Simplify right side
    22,020.64x = 212,668,346.79
  5. Step 5: Solve for x
    x = 212,668,346.79/22,020.64
  6. Step 6: Final answer
    x = 9,657.68

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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.