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Finding the Fourth Proportional to 17,151.14, 25,725.72 and 6,619.10

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Solution

The fourth proportional to 17,151.14, 25,725.72 and 6,619.10 is: 9,928.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,151.14 : 25,725.72 = 6,619.10 : x
  2. Step 2: Convert to fraction form
    17,151.14/25,725.72 = 6,619.10/x
  3. Step 3: Cross multiply
    17,151.14x = 25,725.72 × 6,619.10
  4. Step 4: Simplify right side
    17,151.14x = 170,281,113.25
  5. Step 5: Solve for x
    x = 170,281,113.25/17,151.14
  6. Step 6: Final answer
    x = 9,928.27

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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.