Home / 17,867.21-24,658.27-9,912

Finding the Fourth Proportional to 17,867.21, 24,658.27 and 9,912

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Solution

The fourth proportional to 17,867.21, 24,658.27 and 9,912 is: 13,679.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,867.21 : 24,658.27 = 9,912 : x
  2. Step 2: Convert to fraction form
    17,867.21/24,658.27 = 9,912/x
  3. Step 3: Cross multiply
    17,867.21x = 24,658.27 × 9,912
  4. Step 4: Simplify right side
    17,867.21x = 244,412,772.24
  5. Step 5: Solve for x
    x = 244,412,772.24/17,867.21
  6. Step 6: Final answer
    x = 13,679.40

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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.