Home / 10,539.48-15,811.02-3,966.60

Finding the Fourth Proportional to 10,539.48, 15,811.02 and 3,966.60

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Solution

The fourth proportional to 10,539.48, 15,811.02 and 3,966.60 is: 5,950.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,539.48 : 15,811.02 = 3,966.60 : x
  2. Step 2: Convert to fraction form
    10,539.48/15,811.02 = 3,966.60/x
  3. Step 3: Cross multiply
    10,539.48x = 15,811.02 × 3,966.60
  4. Step 4: Simplify right side
    10,539.48x = 62,715,991.93
  5. Step 5: Solve for x
    x = 62,715,991.93/10,539.48
  6. Step 6: Final answer
    x = 5,950.58

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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.