Home / 18,778.07-28,166.02-6,297.59

Finding the Fourth Proportional to 18,778.07, 28,166.02 and 6,297.59

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Solution

The fourth proportional to 18,778.07, 28,166.02 and 6,297.59 is: 9,446.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,778.07 : 28,166.02 = 6,297.59 : x
  2. Step 2: Convert to fraction form
    18,778.07/28,166.02 = 6,297.59/x
  3. Step 3: Cross multiply
    18,778.07x = 28,166.02 × 6,297.59
  4. Step 4: Simplify right side
    18,778.07x = 177,378,045.89
  5. Step 5: Solve for x
    x = 177,378,045.89/18,778.07
  6. Step 6: Final answer
    x = 9,446.02

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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.