Home / 11,114.13-16,646.54-7,984.76

Finding the Fourth Proportional to 11,114.13, 16,646.54 and 7,984.76

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Solution

The fourth proportional to 11,114.13, 16,646.54 and 7,984.76 is: 11,959.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,114.13 : 16,646.54 = 7,984.76 : x
  2. Step 2: Convert to fraction form
    11,114.13/16,646.54 = 7,984.76/x
  3. Step 3: Cross multiply
    11,114.13x = 16,646.54 × 7,984.76
  4. Step 4: Simplify right side
    11,114.13x = 132,918,503.57
  5. Step 5: Solve for x
    x = 132,918,503.57/11,114.13
  6. Step 6: Final answer
    x = 11,959.42

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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.