Home / 18,741.78-28,117.54-5,594.15

Finding the Fourth Proportional to 18,741.78, 28,117.54 and 5,594.15

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Solution

The fourth proportional to 18,741.78, 28,117.54 and 5,594.15 is: 8,392.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,741.78 : 28,117.54 = 5,594.15 : x
  2. Step 2: Convert to fraction form
    18,741.78/28,117.54 = 5,594.15/x
  3. Step 3: Cross multiply
    18,741.78x = 28,117.54 × 5,594.15
  4. Step 4: Simplify right side
    18,741.78x = 157,293,736.39
  5. Step 5: Solve for x
    x = 157,293,736.39/18,741.78
  6. Step 6: Final answer
    x = 8,392.68

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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.