Home / 18,054.01-27,078.51-5,574.45

Finding the Fourth Proportional to 18,054.01, 27,078.51 and 5,574.45

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Solution

The fourth proportional to 18,054.01, 27,078.51 and 5,574.45 is: 8,360.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,054.01 : 27,078.51 = 5,574.45 : x
  2. Step 2: Convert to fraction form
    18,054.01/27,078.51 = 5,574.45/x
  3. Step 3: Cross multiply
    18,054.01x = 27,078.51 × 5,574.45
  4. Step 4: Simplify right side
    18,054.01x = 150,947,800.07
  5. Step 5: Solve for x
    x = 150,947,800.07/18,054.01
  6. Step 6: Final answer
    x = 8,360.90

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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.