Home / 17,120.04-25,680.03-6,448.39

Finding the Fourth Proportional to 17,120.04, 25,680.03 and 6,448.39

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Solution

The fourth proportional to 17,120.04, 25,680.03 and 6,448.39 is: 9,672.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,120.04 : 25,680.03 = 6,448.39 : x
  2. Step 2: Convert to fraction form
    17,120.04/25,680.03 = 6,448.39/x
  3. Step 3: Cross multiply
    17,120.04x = 25,680.03 × 6,448.39
  4. Step 4: Simplify right side
    17,120.04x = 165,594,848.65
  5. Step 5: Solve for x
    x = 165,594,848.65/17,120.04
  6. Step 6: Final answer
    x = 9,672.57

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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.