Home / 12,219.40-18,330.35-3,334.91

Finding the Fourth Proportional to 12,219.40, 18,330.35 and 3,334.91

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Solution

The fourth proportional to 12,219.40, 18,330.35 and 3,334.91 is: 5,002.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,219.40 : 18,330.35 = 3,334.91 : x
  2. Step 2: Convert to fraction form
    12,219.40/18,330.35 = 3,334.91/x
  3. Step 3: Cross multiply
    12,219.40x = 18,330.35 × 3,334.91
  4. Step 4: Simplify right side
    12,219.40x = 61,130,096.67
  5. Step 5: Solve for x
    x = 61,130,096.67/12,219.40
  6. Step 6: Final answer
    x = 5,002.71

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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.