Home / 17,911.10-24,717.36-9,953.12

Finding the Fourth Proportional to 17,911.10, 24,717.36 and 9,953.12

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Solution

The fourth proportional to 17,911.10, 24,717.36 and 9,953.12 is: 13,735.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,911.10 : 24,717.36 = 9,953.12 : x
  2. Step 2: Convert to fraction form
    17,911.10/24,717.36 = 9,953.12/x
  3. Step 3: Cross multiply
    17,911.10x = 24,717.36 × 9,953.12
  4. Step 4: Simplify right side
    17,911.10x = 246,014,850.16
  5. Step 5: Solve for x
    x = 246,014,850.16/17,911.10
  6. Step 6: Final answer
    x = 13,735.33

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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.