Home / 12,403.08-18,600.70-4,081.16

Finding the Fourth Proportional to 12,403.08, 18,600.70 and 4,081.16

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Solution

The fourth proportional to 12,403.08, 18,600.70 and 4,081.16 is: 6,120.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,403.08 : 18,600.70 = 4,081.16 : x
  2. Step 2: Convert to fraction form
    12,403.08/18,600.70 = 4,081.16/x
  3. Step 3: Cross multiply
    12,403.08x = 18,600.70 × 4,081.16
  4. Step 4: Simplify right side
    12,403.08x = 75,912,432.81
  5. Step 5: Solve for x
    x = 75,912,432.81/12,403.08
  6. Step 6: Final answer
    x = 6,120.45

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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.