Home / 20,595.03-30,878.55-6,550.84

Finding the Fourth Proportional to 20,595.03, 30,878.55 and 6,550.84

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Solution

The fourth proportional to 20,595.03, 30,878.55 and 6,550.84 is: 9,821.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,595.03 : 30,878.55 = 6,550.84 : x
  2. Step 2: Convert to fraction form
    20,595.03/30,878.55 = 6,550.84/x
  3. Step 3: Cross multiply
    20,595.03x = 30,878.55 × 6,550.84
  4. Step 4: Simplify right side
    20,595.03x = 202,280,479.08
  5. Step 5: Solve for x
    x = 202,280,479.08/20,595.03
  6. Step 6: Final answer
    x = 9,821.81

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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.