Home / 10,987.10-16,480.66-3,090.46

Finding the Fourth Proportional to 10,987.10, 16,480.66 and 3,090.46

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Solution

The fourth proportional to 10,987.10, 16,480.66 and 3,090.46 is: 4,635.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,987.10 : 16,480.66 = 3,090.46 : x
  2. Step 2: Convert to fraction form
    10,987.10/16,480.66 = 3,090.46/x
  3. Step 3: Cross multiply
    10,987.10x = 16,480.66 × 3,090.46
  4. Step 4: Simplify right side
    10,987.10x = 50,932,753.23
  5. Step 5: Solve for x
    x = 50,932,753.23/10,987.10
  6. Step 6: Final answer
    x = 4,635.69

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1.5x scale

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.