Home / 10,724.54-16,084.98-4,147.20

Finding the Fourth Proportional to 10,724.54, 16,084.98 and 4,147.20

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Solution

The fourth proportional to 10,724.54, 16,084.98 and 4,147.20 is: 6,220.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,724.54 : 16,084.98 = 4,147.20 : x
  2. Step 2: Convert to fraction form
    10,724.54/16,084.98 = 4,147.20/x
  3. Step 3: Cross multiply
    10,724.54x = 16,084.98 × 4,147.20
  4. Step 4: Simplify right side
    10,724.54x = 66,707,629.06
  5. Step 5: Solve for x
    x = 66,707,629.06/10,724.54
  6. Step 6: Final answer
    x = 6,220.10

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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.