Home / 15,054.52-20,761.70-9,743.80

Finding the Fourth Proportional to 15,054.52, 20,761.70 and 9,743.80

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Solution

The fourth proportional to 15,054.52, 20,761.70 and 9,743.80 is: 13,437.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,054.52 : 20,761.70 = 9,743.80 : x
  2. Step 2: Convert to fraction form
    15,054.52/20,761.70 = 9,743.80/x
  3. Step 3: Cross multiply
    15,054.52x = 20,761.70 × 9,743.80
  4. Step 4: Simplify right side
    15,054.52x = 202,297,852.46
  5. Step 5: Solve for x
    x = 202,297,852.46/15,054.52
  6. Step 6: Final answer
    x = 13,437.68

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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.