Home / 9,018.93-13,530.15-2,777.85

Finding the Fourth Proportional to 9,018.93, 13,530.15 and 2,777.85

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Solution

The fourth proportional to 9,018.93, 13,530.15 and 2,777.85 is: 4,167.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,018.93 : 13,530.15 = 2,777.85 : x
  2. Step 2: Convert to fraction form
    9,018.93/13,530.15 = 2,777.85/x
  3. Step 3: Cross multiply
    9,018.93x = 13,530.15 × 2,777.85
  4. Step 4: Simplify right side
    9,018.93x = 37,584,727.18
  5. Step 5: Solve for x
    x = 37,584,727.18/9,018.93
  6. Step 6: Final answer
    x = 4,167.32

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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.