Home / 18,139.56-27,216.33-7,054.05

Finding the Fourth Proportional to 18,139.56, 27,216.33 and 7,054.05

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Solution

The fourth proportional to 18,139.56, 27,216.33 and 7,054.05 is: 10,583.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,139.56 : 27,216.33 = 7,054.05 : x
  2. Step 2: Convert to fraction form
    18,139.56/27,216.33 = 7,054.05/x
  3. Step 3: Cross multiply
    18,139.56x = 27,216.33 × 7,054.05
  4. Step 4: Simplify right side
    18,139.56x = 191,985,352.64
  5. Step 5: Solve for x
    x = 191,985,352.64/18,139.56
  6. Step 6: Final answer
    x = 10,583.79

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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.