Home / 12,422.17-18,638.24-4,525.24

Finding the Fourth Proportional to 12,422.17, 18,638.24 and 4,525.24

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Solution

The fourth proportional to 12,422.17, 18,638.24 and 4,525.24 is: 6,789.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,422.17 : 18,638.24 = 4,525.24 : x
  2. Step 2: Convert to fraction form
    12,422.17/18,638.24 = 4,525.24/x
  3. Step 3: Cross multiply
    12,422.17x = 18,638.24 × 4,525.24
  4. Step 4: Simplify right side
    12,422.17x = 84,342,509.18
  5. Step 5: Solve for x
    x = 84,342,509.18/12,422.17
  6. Step 6: Final answer
    x = 6,789.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.