Home / 10,987.07-16,480.61-3,090.43

Finding the Fourth Proportional to 10,987.07, 16,480.61 and 3,090.43

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Solution

The fourth proportional to 10,987.07, 16,480.61 and 3,090.43 is: 4,635.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,987.07 : 16,480.61 = 3,090.43 : x
  2. Step 2: Convert to fraction form
    10,987.07/16,480.61 = 3,090.43/x
  3. Step 3: Cross multiply
    10,987.07x = 16,480.61 × 3,090.43
  4. Step 4: Simplify right side
    10,987.07x = 50,932,089.16
  5. Step 5: Solve for x
    x = 50,932,089.16/10,987.07
  6. Step 6: Final answer
    x = 4,635.64

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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.