Home / 10,084.75-15,127.14-3,928.75

Finding the Fourth Proportional to 10,084.75, 15,127.14 and 3,928.75

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Solution

The fourth proportional to 10,084.75, 15,127.14 and 3,928.75 is: 5,893.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,084.75 : 15,127.14 = 3,928.75 : x
  2. Step 2: Convert to fraction form
    10,084.75/15,127.14 = 3,928.75/x
  3. Step 3: Cross multiply
    10,084.75x = 15,127.14 × 3,928.75
  4. Step 4: Simplify right side
    10,084.75x = 59,430,751.28
  5. Step 5: Solve for x
    x = 59,430,751.28/10,084.75
  6. Step 6: Final answer
    x = 5,893.13

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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.