Home / 11,101.47-16,652.09-2,781.42

Finding the Fourth Proportional to 11,101.47, 16,652.09 and 2,781.42

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Solution

The fourth proportional to 11,101.47, 16,652.09 and 2,781.42 is: 4,172.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,101.47 : 16,652.09 = 2,781.42 : x
  2. Step 2: Convert to fraction form
    11,101.47/16,652.09 = 2,781.42/x
  3. Step 3: Cross multiply
    11,101.47x = 16,652.09 × 2,781.42
  4. Step 4: Simplify right side
    11,101.47x = 46,316,442.26
  5. Step 5: Solve for x
    x = 46,316,442.26/11,101.47
  6. Step 6: Final answer
    x = 4,172.10

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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.