Home / 9,018.14-13,529.43-2,777.90

Finding the Fourth Proportional to 9,018.14, 13,529.43 and 2,777.90

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Solution

The fourth proportional to 9,018.14, 13,529.43 and 2,777.90 is: 4,167.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,018.14 : 13,529.43 = 2,777.90 : x
  2. Step 2: Convert to fraction form
    9,018.14/13,529.43 = 2,777.90/x
  3. Step 3: Cross multiply
    9,018.14x = 13,529.43 × 2,777.90
  4. Step 4: Simplify right side
    9,018.14x = 37,583,335.95
  5. Step 5: Solve for x
    x = 37,583,335.95/9,018.14
  6. Step 6: Final answer
    x = 4,167.53

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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.