Home / 22,115.04-33,165.75-7,320.90

Finding the Fourth Proportional to 22,115.04, 33,165.75 and 7,320.90

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Solution

The fourth proportional to 22,115.04, 33,165.75 and 7,320.90 is: 10,979.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,115.04 : 33,165.75 = 7,320.90 : x
  2. Step 2: Convert to fraction form
    22,115.04/33,165.75 = 7,320.90/x
  3. Step 3: Cross multiply
    22,115.04x = 33,165.75 × 7,320.90
  4. Step 4: Simplify right side
    22,115.04x = 242,803,139.18
  5. Step 5: Solve for x
    x = 242,803,139.18/22,115.04
  6. Step 6: Final answer
    x = 10,979.10

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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.