Home / 10,146.32-14,001.44-5,608.82

Finding the Fourth Proportional to 10,146.32, 14,001.44 and 5,608.82

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Solution

The fourth proportional to 10,146.32, 14,001.44 and 5,608.82 is: 7,739.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,146.32 : 14,001.44 = 5,608.82 : x
  2. Step 2: Convert to fraction form
    10,146.32/14,001.44 = 5,608.82/x
  3. Step 3: Cross multiply
    10,146.32x = 14,001.44 × 5,608.82
  4. Step 4: Simplify right side
    10,146.32x = 78,531,556.70
  5. Step 5: Solve for x
    x = 78,531,556.70/10,146.32
  6. Step 6: Final answer
    x = 7,739.91

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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.