Home / 12,246.01-18,370.40-3,923.11

Finding the Fourth Proportional to 12,246.01, 18,370.40 and 3,923.11

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Solution

The fourth proportional to 12,246.01, 18,370.40 and 3,923.11 is: 5,885.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,246.01 : 18,370.40 = 3,923.11 : x
  2. Step 2: Convert to fraction form
    12,246.01/18,370.40 = 3,923.11/x
  3. Step 3: Cross multiply
    12,246.01x = 18,370.40 × 3,923.11
  4. Step 4: Simplify right side
    12,246.01x = 72,069,099.94
  5. Step 5: Solve for x
    x = 72,069,099.94/12,246.01
  6. Step 6: Final answer
    x = 5,885.11

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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.