Home / 18,684.17-28,027.86-5,357.22

Finding the Fourth Proportional to 18,684.17, 28,027.86 and 5,357.22

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Solution

The fourth proportional to 18,684.17, 28,027.86 and 5,357.22 is: 8,036.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,684.17 : 28,027.86 = 5,357.22 : x
  2. Step 2: Convert to fraction form
    18,684.17/28,027.86 = 5,357.22/x
  3. Step 3: Cross multiply
    18,684.17x = 28,027.86 × 5,357.22
  4. Step 4: Simplify right side
    18,684.17x = 150,151,412.15
  5. Step 5: Solve for x
    x = 150,151,412.15/18,684.17
  6. Step 6: Final answer
    x = 8,036.29

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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.