Home / 12,099.98-18,152.27-4,202.19

Finding the Fourth Proportional to 12,099.98, 18,152.27 and 4,202.19

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Solution

The fourth proportional to 12,099.98, 18,152.27 and 4,202.19 is: 6,304.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,099.98 : 18,152.27 = 4,202.19 : x
  2. Step 2: Convert to fraction form
    12,099.98/18,152.27 = 4,202.19/x
  3. Step 3: Cross multiply
    12,099.98x = 18,152.27 × 4,202.19
  4. Step 4: Simplify right side
    12,099.98x = 76,279,266.46
  5. Step 5: Solve for x
    x = 76,279,266.46/12,099.98
  6. Step 6: Final answer
    x = 6,304.08

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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.