Home / 10,538.58-15,801.70-3,965.28

Finding the Fourth Proportional to 10,538.58, 15,801.70 and 3,965.28

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Solution

The fourth proportional to 10,538.58, 15,801.70 and 3,965.28 is: 5,945.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,538.58 : 15,801.70 = 3,965.28 : x
  2. Step 2: Convert to fraction form
    10,538.58/15,801.70 = 3,965.28/x
  3. Step 3: Cross multiply
    10,538.58x = 15,801.70 × 3,965.28
  4. Step 4: Simplify right side
    10,538.58x = 62,658,164.98
  5. Step 5: Solve for x
    x = 62,658,164.98/10,538.58
  6. Step 6: Final answer
    x = 5,945.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.