Home / 19,669.62-27,141.03-11,284.50

Finding the Fourth Proportional to 19,669.62, 27,141.03 and 11,284.50

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Solution

The fourth proportional to 19,669.62, 27,141.03 and 11,284.50 is: 15,570.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,669.62 : 27,141.03 = 11,284.50 : x
  2. Step 2: Convert to fraction form
    19,669.62/27,141.03 = 11,284.50/x
  3. Step 3: Cross multiply
    19,669.62x = 27,141.03 × 11,284.50
  4. Step 4: Simplify right side
    19,669.62x = 306,272,953.04
  5. Step 5: Solve for x
    x = 306,272,953.04/19,669.62
  6. Step 6: Final answer
    x = 15,570.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.