Home / 18,347.06-27,519.64-5,199.48

Finding the Fourth Proportional to 18,347.06, 27,519.64 and 5,199.48

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Solution

The fourth proportional to 18,347.06, 27,519.64 and 5,199.48 is: 7,798.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,347.06 : 27,519.64 = 5,199.48 : x
  2. Step 2: Convert to fraction form
    18,347.06/27,519.64 = 5,199.48/x
  3. Step 3: Cross multiply
    18,347.06x = 27,519.64 × 5,199.48
  4. Step 4: Simplify right side
    18,347.06x = 143,087,804.79
  5. Step 5: Solve for x
    x = 143,087,804.79/18,347.06
  6. Step 6: Final answer
    x = 7,798.95

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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.