Home / 22,218.24-33,328.08-6,636.72

Finding the Fourth Proportional to 22,218.24, 33,328.08 and 6,636.72

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Solution

The fourth proportional to 22,218.24, 33,328.08 and 6,636.72 is: 9,955.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,218.24 : 33,328.08 = 6,636.72 : x
  2. Step 2: Convert to fraction form
    22,218.24/33,328.08 = 6,636.72/x
  3. Step 3: Cross multiply
    22,218.24x = 33,328.08 × 6,636.72
  4. Step 4: Simplify right side
    22,218.24x = 221,189,135.10
  5. Step 5: Solve for x
    x = 221,189,135.10/22,218.24
  6. Step 6: Final answer
    x = 9,955.30

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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.