Home / 22,200.10-33,295.35-9,720.10

Finding the Fourth Proportional to 22,200.10, 33,295.35 and 9,720.10

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Solution

The fourth proportional to 22,200.10, 33,295.35 and 9,720.10 is: 14,578.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,200.10 : 33,295.35 = 9,720.10 : x
  2. Step 2: Convert to fraction form
    22,200.10/33,295.35 = 9,720.10/x
  3. Step 3: Cross multiply
    22,200.10x = 33,295.35 × 9,720.10
  4. Step 4: Simplify right side
    22,200.10x = 323,634,131.54
  5. Step 5: Solve for x
    x = 323,634,131.54/22,200.10
  6. Step 6: Final answer
    x = 14,578.05

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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.