Home / 11,777.12-16,251.48-6,740.19

Finding the Fourth Proportional to 11,777.12, 16,251.48 and 6,740.19

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Solution

The fourth proportional to 11,777.12, 16,251.48 and 6,740.19 is: 9,300.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,777.12 : 16,251.48 = 6,740.19 : x
  2. Step 2: Convert to fraction form
    11,777.12/16,251.48 = 6,740.19/x
  3. Step 3: Cross multiply
    11,777.12x = 16,251.48 × 6,740.19
  4. Step 4: Simplify right side
    11,777.12x = 109,538,069.91
  5. Step 5: Solve for x
    x = 109,538,069.91/11,777.12
  6. Step 6: Final answer
    x = 9,300.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.