Home / 18,688.05-28,027.30-5,537.34

Finding the Fourth Proportional to 18,688.05, 28,027.30 and 5,537.34

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Solution

The fourth proportional to 18,688.05, 28,027.30 and 5,537.34 is: 8,304.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,688.05 : 28,027.30 = 5,537.34 : x
  2. Step 2: Convert to fraction form
    18,688.05/28,027.30 = 5,537.34/x
  3. Step 3: Cross multiply
    18,688.05x = 28,027.30 × 5,537.34
  4. Step 4: Simplify right side
    18,688.05x = 155,196,766.80
  5. Step 5: Solve for x
    x = 155,196,766.80/18,688.05
  6. Step 6: Final answer
    x = 8,304.60

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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.