Home / 17,148.72-25,724.08-6,618.80

Finding the Fourth Proportional to 17,148.72, 25,724.08 and 6,618.80

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Solution

The fourth proportional to 17,148.72, 25,724.08 and 6,618.80 is: 9,928.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,148.72 : 25,724.08 = 6,618.80 : x
  2. Step 2: Convert to fraction form
    17,148.72/25,724.08 = 6,618.80/x
  3. Step 3: Cross multiply
    17,148.72x = 25,724.08 × 6,618.80
  4. Step 4: Simplify right side
    17,148.72x = 170,262,412.08
  5. Step 5: Solve for x
    x = 170,262,412.08/17,148.72
  6. Step 6: Final answer
    x = 9,928.58

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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.