Home / 18,777.68-28,156.20-6,291.14

Finding the Fourth Proportional to 18,777.68, 28,156.20 and 6,291.14

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Solution

The fourth proportional to 18,777.68, 28,156.20 and 6,291.14 is: 9,433.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,777.68 : 28,156.20 = 6,291.14 : x
  2. Step 2: Convert to fraction form
    18,777.68/28,156.20 = 6,291.14/x
  3. Step 3: Cross multiply
    18,777.68x = 28,156.20 × 6,291.14
  4. Step 4: Simplify right side
    18,777.68x = 177,134,596.07
  5. Step 5: Solve for x
    x = 177,134,596.07/18,777.68
  6. Step 6: Final answer
    x = 9,433.25

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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.