Home / 12,607.22-18,908.60-4,707.97

Finding the Fourth Proportional to 12,607.22, 18,908.60 and 4,707.97

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Solution

The fourth proportional to 12,607.22, 18,908.60 and 4,707.97 is: 7,061.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,607.22 : 18,908.60 = 4,707.97 : x
  2. Step 2: Convert to fraction form
    12,607.22/18,908.60 = 4,707.97/x
  3. Step 3: Cross multiply
    12,607.22x = 18,908.60 × 4,707.97
  4. Step 4: Simplify right side
    12,607.22x = 89,021,121.54
  5. Step 5: Solve for x
    x = 89,021,121.54/12,607.22
  6. Step 6: Final answer
    x = 7,061.12

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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.