Home / 17,181.78-23,712.81-9,630.14

Finding the Fourth Proportional to 17,181.78, 23,712.81 and 9,630.14

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Solution

The fourth proportional to 17,181.78, 23,712.81 and 9,630.14 is: 13,290.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,181.78 : 23,712.81 = 9,630.14 : x
  2. Step 2: Convert to fraction form
    17,181.78/23,712.81 = 9,630.14/x
  3. Step 3: Cross multiply
    17,181.78x = 23,712.81 × 9,630.14
  4. Step 4: Simplify right side
    17,181.78x = 228,357,680.09
  5. Step 5: Solve for x
    x = 228,357,680.09/17,181.78
  6. Step 6: Final answer
    x = 13,290.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.