Home / 10,669.78-14,721.93-6,190.93

Finding the Fourth Proportional to 10,669.78, 14,721.93 and 6,190.93

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Solution

The fourth proportional to 10,669.78, 14,721.93 and 6,190.93 is: 8,542.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,669.78 : 14,721.93 = 6,190.93 : x
  2. Step 2: Convert to fraction form
    10,669.78/14,721.93 = 6,190.93/x
  3. Step 3: Cross multiply
    10,669.78x = 14,721.93 × 6,190.93
  4. Step 4: Simplify right side
    10,669.78x = 91,142,438.09
  5. Step 5: Solve for x
    x = 91,142,438.09/10,669.78
  6. Step 6: Final answer
    x = 8,542.11

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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.