Home / 18,835.37-28,257.62-5,686.95

Finding the Fourth Proportional to 18,835.37, 28,257.62 and 5,686.95

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Solution

The fourth proportional to 18,835.37, 28,257.62 and 5,686.95 is: 8,531.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,835.37 : 28,257.62 = 5,686.95 : x
  2. Step 2: Convert to fraction form
    18,835.37/28,257.62 = 5,686.95/x
  3. Step 3: Cross multiply
    18,835.37x = 28,257.62 × 5,686.95
  4. Step 4: Simplify right side
    18,835.37x = 160,699,643.62
  5. Step 5: Solve for x
    x = 160,699,643.62/18,835.37
  6. Step 6: Final answer
    x = 8,531.80

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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.