Home / 10,987.44-16,477.80-3,966.60

Finding the Fourth Proportional to 10,987.44, 16,477.80 and 3,966.60

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Solution

The fourth proportional to 10,987.44, 16,477.80 and 3,966.60 is: 5,948.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,987.44 : 16,477.80 = 3,966.60 : x
  2. Step 2: Convert to fraction form
    10,987.44/16,477.80 = 3,966.60/x
  3. Step 3: Cross multiply
    10,987.44x = 16,477.80 × 3,966.60
  4. Step 4: Simplify right side
    10,987.44x = 65,360,841.48
  5. Step 5: Solve for x
    x = 65,360,841.48/10,987.44
  6. Step 6: Final answer
    x = 5,948.69

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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.