Home / 12,216.08-18,325.28-3,331.52

Finding the Fourth Proportional to 12,216.08, 18,325.28 and 3,331.52

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Solution

The fourth proportional to 12,216.08, 18,325.28 and 3,331.52 is: 4,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,216.08 : 18,325.28 = 3,331.52 : x
  2. Step 2: Convert to fraction form
    12,216.08/18,325.28 = 3,331.52/x
  3. Step 3: Cross multiply
    12,216.08x = 18,325.28 × 3,331.52
  4. Step 4: Simplify right side
    12,216.08x = 61,051,036.83
  5. Step 5: Solve for x
    x = 61,051,036.83/12,216.08
  6. Step 6: Final answer
    x = 4,997.60

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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.