Home / 12,523.11-17,281.90-6,858.21

Finding the Fourth Proportional to 12,523.11, 17,281.90 and 6,858.21

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Solution

The fourth proportional to 12,523.11, 17,281.90 and 6,858.21 is: 9,464.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,523.11 : 17,281.90 = 6,858.21 : x
  2. Step 2: Convert to fraction form
    12,523.11/17,281.90 = 6,858.21/x
  3. Step 3: Cross multiply
    12,523.11x = 17,281.90 × 6,858.21
  4. Step 4: Simplify right side
    12,523.11x = 118,522,972.78
  5. Step 5: Solve for x
    x = 118,522,972.78/12,523.11
  6. Step 6: Final answer
    x = 9,464.34

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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.