Home / 12,338.02-18,508.86-3,571.84

Finding the Fourth Proportional to 12,338.02, 18,508.86 and 3,571.84

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Solution

The fourth proportional to 12,338.02, 18,508.86 and 3,571.84 is: 5,358.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,338.02 : 18,508.86 = 3,571.84 : x
  2. Step 2: Convert to fraction form
    12,338.02/18,508.86 = 3,571.84/x
  3. Step 3: Cross multiply
    12,338.02x = 18,508.86 × 3,571.84
  4. Step 4: Simplify right side
    12,338.02x = 66,110,686.50
  5. Step 5: Solve for x
    x = 66,110,686.50/12,338.02
  6. Step 6: Final answer
    x = 5,358.29

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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.