Home / 9,147.84-13,721.78-2,574.03

Finding the Fourth Proportional to 9,147.84, 13,721.78 and 2,574.03

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Solution

The fourth proportional to 9,147.84, 13,721.78 and 2,574.03 is: 3,861.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,147.84 : 13,721.78 = 2,574.03 : x
  2. Step 2: Convert to fraction form
    9,147.84/13,721.78 = 2,574.03/x
  3. Step 3: Cross multiply
    9,147.84x = 13,721.78 × 2,574.03
  4. Step 4: Simplify right side
    9,147.84x = 35,320,260.50
  5. Step 5: Solve for x
    x = 35,320,260.50/9,147.84
  6. Step 6: Final answer
    x = 3,861.05

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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.