Home / 9,928.68-14,902.20-4,085.70

Finding the Fourth Proportional to 9,928.68, 14,902.20 and 4,085.70

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Solution

The fourth proportional to 9,928.68, 14,902.20 and 4,085.70 is: 6,132.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,928.68 : 14,902.20 = 4,085.70 : x
  2. Step 2: Convert to fraction form
    9,928.68/14,902.20 = 4,085.70/x
  3. Step 3: Cross multiply
    9,928.68x = 14,902.20 × 4,085.70
  4. Step 4: Simplify right side
    9,928.68x = 60,885,918.54
  5. Step 5: Solve for x
    x = 60,885,918.54/9,928.68
  6. Step 6: Final answer
    x = 6,132.33

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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.