Home / 9,147.55-13,719.73-2,572.17

Finding the Fourth Proportional to 9,147.55, 13,719.73 and 2,572.17

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Solution

The fourth proportional to 9,147.55, 13,719.73 and 2,572.17 is: 3,857.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,147.55 : 13,719.73 = 2,572.17 : x
  2. Step 2: Convert to fraction form
    9,147.55/13,719.73 = 2,572.17/x
  3. Step 3: Cross multiply
    9,147.55x = 13,719.73 × 2,572.17
  4. Step 4: Simplify right side
    9,147.55x = 35,289,502.03
  5. Step 5: Solve for x
    x = 35,289,502.03/9,147.55
  6. Step 6: Final answer
    x = 3,857.81

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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.