Home / 15,537.51-21,441.83-8,463.87

Finding the Fourth Proportional to 15,537.51, 21,441.83 and 8,463.87

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Solution

The fourth proportional to 15,537.51, 21,441.83 and 8,463.87 is: 11,680.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,537.51 : 21,441.83 = 8,463.87 : x
  2. Step 2: Convert to fraction form
    15,537.51/21,441.83 = 8,463.87/x
  3. Step 3: Cross multiply
    15,537.51x = 21,441.83 × 8,463.87
  4. Step 4: Simplify right side
    15,537.51x = 181,480,819.36
  5. Step 5: Solve for x
    x = 181,480,819.36/15,537.51
  6. Step 6: Final answer
    x = 11,680.17

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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.