Home / 12,323.61-18,486.36-3,558.60

Finding the Fourth Proportional to 12,323.61, 18,486.36 and 3,558.60

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Solution

The fourth proportional to 12,323.61, 18,486.36 and 3,558.60 is: 5,338.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,323.61 : 18,486.36 = 3,558.60 : x
  2. Step 2: Convert to fraction form
    12,323.61/18,486.36 = 3,558.60/x
  3. Step 3: Cross multiply
    12,323.61x = 18,486.36 × 3,558.60
  4. Step 4: Simplify right side
    12,323.61x = 65,785,560.70
  5. Step 5: Solve for x
    x = 65,785,560.70/12,323.61
  6. Step 6: Final answer
    x = 5,338.17

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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.