Home / 9,145.97-13,718.96-2,572.16

Finding the Fourth Proportional to 9,145.97, 13,718.96 and 2,572.16

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Solution

The fourth proportional to 9,145.97, 13,718.96 and 2,572.16 is: 3,858.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,145.97 : 13,718.96 = 2,572.16 : x
  2. Step 2: Convert to fraction form
    9,145.97/13,718.96 = 2,572.16/x
  3. Step 3: Cross multiply
    9,145.97x = 13,718.96 × 2,572.16
  4. Step 4: Simplify right side
    9,145.97x = 35,287,288.34
  5. Step 5: Solve for x
    x = 35,287,288.34/9,145.97
  6. Step 6: Final answer
    x = 3,858.24

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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.