Home / 18,707.81-28,055.66-6,224.48

Finding the Fourth Proportional to 18,707.81, 28,055.66 and 6,224.48

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Solution

The fourth proportional to 18,707.81, 28,055.66 and 6,224.48 is: 9,334.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,707.81 : 28,055.66 = 6,224.48 : x
  2. Step 2: Convert to fraction form
    18,707.81/28,055.66 = 6,224.48/x
  3. Step 3: Cross multiply
    18,707.81x = 28,055.66 × 6,224.48
  4. Step 4: Simplify right side
    18,707.81x = 174,631,894.56
  5. Step 5: Solve for x
    x = 174,631,894.56/18,707.81
  6. Step 6: Final answer
    x = 9,334.71

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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.