Home / 18,741.76-28,111.68-5,594.24

Finding the Fourth Proportional to 18,741.76, 28,111.68 and 5,594.24

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Solution

The fourth proportional to 18,741.76, 28,111.68 and 5,594.24 is: 8,391.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,741.76 : 28,111.68 = 5,594.24 : x
  2. Step 2: Convert to fraction form
    18,741.76/28,111.68 = 5,594.24/x
  3. Step 3: Cross multiply
    18,741.76x = 28,111.68 × 5,594.24
  4. Step 4: Simplify right side
    18,741.76x = 157,263,484.72
  5. Step 5: Solve for x
    x = 157,263,484.72/18,741.76
  6. Step 6: Final answer
    x = 8,391.07

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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.