Home / 18,777.14-28,166.80-6,296.66

Finding the Fourth Proportional to 18,777.14, 28,166.80 and 6,296.66

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Solution

The fourth proportional to 18,777.14, 28,166.80 and 6,296.66 is: 9,445.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,777.14 : 28,166.80 = 6,296.66 : x
  2. Step 2: Convert to fraction form
    18,777.14/28,166.80 = 6,296.66/x
  3. Step 3: Cross multiply
    18,777.14x = 28,166.80 × 6,296.66
  4. Step 4: Simplify right side
    18,777.14x = 177,356,762.89
  5. Step 5: Solve for x
    x = 177,356,762.89/18,777.14
  6. Step 6: Final answer
    x = 9,445.36

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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.