Home / 10,669.47-14,723.62-5,889.79

Finding the Fourth Proportional to 10,669.47, 14,723.62 and 5,889.79

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Solution

The fourth proportional to 10,669.47, 14,723.62 and 5,889.79 is: 8,127.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,669.47 : 14,723.62 = 5,889.79 : x
  2. Step 2: Convert to fraction form
    10,669.47/14,723.62 = 5,889.79/x
  3. Step 3: Cross multiply
    10,669.47x = 14,723.62 × 5,889.79
  4. Step 4: Simplify right side
    10,669.47x = 86,719,029.84
  5. Step 5: Solve for x
    x = 86,719,029.84/10,669.47
  6. Step 6: Final answer
    x = 8,127.77

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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.