Home / 10,437.12-15,648.12-3,771.36

Finding the Fourth Proportional to 10,437.12, 15,648.12 and 3,771.36

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Solution

The fourth proportional to 10,437.12, 15,648.12 and 3,771.36 is: 5,654.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,437.12 : 15,648.12 = 3,771.36 : x
  2. Step 2: Convert to fraction form
    10,437.12/15,648.12 = 3,771.36/x
  3. Step 3: Cross multiply
    10,437.12x = 15,648.12 × 3,771.36
  4. Step 4: Simplify right side
    10,437.12x = 59,014,693.84
  5. Step 5: Solve for x
    x = 59,014,693.84/10,437.12
  6. Step 6: Final answer
    x = 5,654.31

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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.