Home / 18,331.81-27,497.47-4,480.93

Finding the Fourth Proportional to 18,331.81, 27,497.47 and 4,480.93

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Solution

The fourth proportional to 18,331.81, 27,497.47 and 4,480.93 is: 6,721.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,331.81 : 27,497.47 = 4,480.93 : x
  2. Step 2: Convert to fraction form
    18,331.81/27,497.47 = 4,480.93/x
  3. Step 3: Cross multiply
    18,331.81x = 27,497.47 × 4,480.93
  4. Step 4: Simplify right side
    18,331.81x = 123,214,238.25
  5. Step 5: Solve for x
    x = 123,214,238.25/18,331.81
  6. Step 6: Final answer
    x = 6,721.34

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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.