Home / 18,688.16-28,027.46-5,537.45

Finding the Fourth Proportional to 18,688.16, 28,027.46 and 5,537.45

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Solution

The fourth proportional to 18,688.16, 28,027.46 and 5,537.45 is: 8,304.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,688.16 : 28,027.46 = 5,537.45 : x
  2. Step 2: Convert to fraction form
    18,688.16/28,027.46 = 5,537.45/x
  3. Step 3: Cross multiply
    18,688.16x = 28,027.46 × 5,537.45
  4. Step 4: Simplify right side
    18,688.16x = 155,200,726.72
  5. Step 5: Solve for x
    x = 155,200,726.72/18,688.16
  6. Step 6: Final answer
    x = 8,304.76

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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.