Home / 17,119.04-25,678.53-6,447.39

Finding the Fourth Proportional to 17,119.04, 25,678.53 and 6,447.39

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Solution

The fourth proportional to 17,119.04, 25,678.53 and 6,447.39 is: 9,671.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,119.04 : 25,678.53 = 6,447.39 : x
  2. Step 2: Convert to fraction form
    17,119.04/25,678.53 = 6,447.39/x
  3. Step 3: Cross multiply
    17,119.04x = 25,678.53 × 6,447.39
  4. Step 4: Simplify right side
    17,119.04x = 165,559,497.54
  5. Step 5: Solve for x
    x = 165,559,497.54/17,119.04
  6. Step 6: Final answer
    x = 9,671.07

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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.