Home / 22,320.12-33,482.14-8,280.30

Finding the Fourth Proportional to 22,320.12, 33,482.14 and 8,280.30

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Solution

The fourth proportional to 22,320.12, 33,482.14 and 8,280.30 is: 12,421.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,320.12 : 33,482.14 = 8,280.30 : x
  2. Step 2: Convert to fraction form
    22,320.12/33,482.14 = 8,280.30/x
  3. Step 3: Cross multiply
    22,320.12x = 33,482.14 × 8,280.30
  4. Step 4: Simplify right side
    22,320.12x = 277,242,163.84
  5. Step 5: Solve for x
    x = 277,242,163.84/22,320.12
  6. Step 6: Final answer
    x = 12,421.18

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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.