Home / 12,324.98-18,490.50-3,560.58

Finding the Fourth Proportional to 12,324.98, 18,490.50 and 3,560.58

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Solution

The fourth proportional to 12,324.98, 18,490.50 and 3,560.58 is: 5,341.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,324.98 : 18,490.50 = 3,560.58 : x
  2. Step 2: Convert to fraction form
    12,324.98/18,490.50 = 3,560.58/x
  3. Step 3: Cross multiply
    12,324.98x = 18,490.50 × 3,560.58
  4. Step 4: Simplify right side
    12,324.98x = 65,836,904.49
  5. Step 5: Solve for x
    x = 65,836,904.49/12,324.98
  6. Step 6: Final answer
    x = 5,341.75

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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.