Home / 18,684.96-28,027.34-5,538.36

Finding the Fourth Proportional to 18,684.96, 28,027.34 and 5,538.36

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Solution

The fourth proportional to 18,684.96, 28,027.34 and 5,538.36 is: 8,307.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,684.96 : 28,027.34 = 5,538.36 : x
  2. Step 2: Convert to fraction form
    18,684.96/28,027.34 = 5,538.36/x
  3. Step 3: Cross multiply
    18,684.96x = 28,027.34 × 5,538.36
  4. Step 4: Simplify right side
    18,684.96x = 155,225,498.76
  5. Step 5: Solve for x
    x = 155,225,498.76/18,684.96
  6. Step 6: Final answer
    x = 8,307.51

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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.