Home / 12,474.18-17,214.28-6,808.86

Finding the Fourth Proportional to 12,474.18, 17,214.28 and 6,808.86

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Solution

The fourth proportional to 12,474.18, 17,214.28 and 6,808.86 is: 9,396.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,474.18 : 17,214.28 = 6,808.86 : x
  2. Step 2: Convert to fraction form
    12,474.18/17,214.28 = 6,808.86/x
  3. Step 3: Cross multiply
    12,474.18x = 17,214.28 × 6,808.86
  4. Step 4: Simplify right side
    12,474.18x = 117,209,605.50
  5. Step 5: Solve for x
    x = 117,209,605.50/12,474.18
  6. Step 6: Final answer
    x = 9,396.18

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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.