Home / 20,277.95-30,412.04-5,486.99

Finding the Fourth Proportional to 20,277.95, 30,412.04 and 5,486.99

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Solution

The fourth proportional to 20,277.95, 30,412.04 and 5,486.99 is: 8,229.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,277.95 : 30,412.04 = 5,486.99 : x
  2. Step 2: Convert to fraction form
    20,277.95/30,412.04 = 5,486.99/x
  3. Step 3: Cross multiply
    20,277.95x = 30,412.04 × 5,486.99
  4. Step 4: Simplify right side
    20,277.95x = 166,870,379.86
  5. Step 5: Solve for x
    x = 166,870,379.86/20,277.95
  6. Step 6: Final answer
    x = 8,229.16

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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.