Home / 18,309.02-27,463.39-5,161.30

Finding the Fourth Proportional to 18,309.02, 27,463.39 and 5,161.30

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Solution

The fourth proportional to 18,309.02, 27,463.39 and 5,161.30 is: 7,741.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,309.02 : 27,463.39 = 5,161.30 : x
  2. Step 2: Convert to fraction form
    18,309.02/27,463.39 = 5,161.30/x
  3. Step 3: Cross multiply
    18,309.02x = 27,463.39 × 5,161.30
  4. Step 4: Simplify right side
    18,309.02x = 141,746,713.25
  5. Step 5: Solve for x
    x = 141,746,713.25/18,309.02
  6. Step 6: Final answer
    x = 7,741.91

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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.