Home / 10,655.19-14,703.56-5,939.31

Finding the Fourth Proportional to 10,655.19, 14,703.56 and 5,939.31

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Solution

The fourth proportional to 10,655.19, 14,703.56 and 5,939.31 is: 8,195.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,655.19 : 14,703.56 = 5,939.31 : x
  2. Step 2: Convert to fraction form
    10,655.19/14,703.56 = 5,939.31/x
  3. Step 3: Cross multiply
    10,655.19x = 14,703.56 × 5,939.31
  4. Step 4: Simplify right side
    10,655.19x = 87,328,971.25
  5. Step 5: Solve for x
    x = 87,328,971.25/10,655.19
  6. Step 6: Final answer
    x = 8,195.91

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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.