Home / 20,288.05-30,433.59-6,962.04

Finding the Fourth Proportional to 20,288.05, 30,433.59 and 6,962.04

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Solution

The fourth proportional to 20,288.05, 30,433.59 and 6,962.04 is: 10,443.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,288.05 : 30,433.59 = 6,962.04 : x
  2. Step 2: Convert to fraction form
    20,288.05/30,433.59 = 6,962.04/x
  3. Step 3: Cross multiply
    20,288.05x = 30,433.59 × 6,962.04
  4. Step 4: Simplify right side
    20,288.05x = 211,879,870.92
  5. Step 5: Solve for x
    x = 211,879,870.92/20,288.05
  6. Step 6: Final answer
    x = 10,443.58

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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.