Home / 20,550.06-30,829.68-6,510.93

Finding the Fourth Proportional to 20,550.06, 30,829.68 and 6,510.93

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Solution

The fourth proportional to 20,550.06, 30,829.68 and 6,510.93 is: 9,767.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,550.06 : 30,829.68 = 6,510.93 : x
  2. Step 2: Convert to fraction form
    20,550.06/30,829.68 = 6,510.93/x
  3. Step 3: Cross multiply
    20,550.06x = 30,829.68 × 6,510.93
  4. Step 4: Simplify right side
    20,550.06x = 200,729,888.40
  5. Step 5: Solve for x
    x = 200,729,888.40/20,550.06
  6. Step 6: Final answer
    x = 9,767.85

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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.