Home / 9,395.15-14,091.20-2,820.18

Finding the Fourth Proportional to 9,395.15, 14,091.20 and 2,820.18

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Solution

The fourth proportional to 9,395.15, 14,091.20 and 2,820.18 is: 4,229.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,395.15 : 14,091.20 = 2,820.18 : x
  2. Step 2: Convert to fraction form
    9,395.15/14,091.20 = 2,820.18/x
  3. Step 3: Cross multiply
    9,395.15x = 14,091.20 × 2,820.18
  4. Step 4: Simplify right side
    9,395.15x = 39,739,727.47
  5. Step 5: Solve for x
    x = 39,739,727.47/9,395.15
  6. Step 6: Final answer
    x = 4,229.81

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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.