Home / 12,604.24-17,416.11-9,972.55

Finding the Fourth Proportional to 12,604.24, 17,416.11 and 9,972.55

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Solution

The fourth proportional to 12,604.24, 17,416.11 and 9,972.55 is: 13,779.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,604.24 : 17,416.11 = 9,972.55 : x
  2. Step 2: Convert to fraction form
    12,604.24/17,416.11 = 9,972.55/x
  3. Step 3: Cross multiply
    12,604.24x = 17,416.11 × 9,972.55
  4. Step 4: Simplify right side
    12,604.24x = 173,683,027.78
  5. Step 5: Solve for x
    x = 173,683,027.78/12,604.24
  6. Step 6: Final answer
    x = 13,779.73

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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.