Home / 11,536.28-15,922.16-9,047.96

Finding the Fourth Proportional to 11,536.28, 15,922.16 and 9,047.96

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Solution

The fourth proportional to 11,536.28, 15,922.16 and 9,047.96 is: 12,487.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,536.28 : 15,922.16 = 9,047.96 : x
  2. Step 2: Convert to fraction form
    11,536.28/15,922.16 = 9,047.96/x
  3. Step 3: Cross multiply
    11,536.28x = 15,922.16 × 9,047.96
  4. Step 4: Simplify right side
    11,536.28x = 144,063,066.79
  5. Step 5: Solve for x
    x = 144,063,066.79/11,536.28
  6. Step 6: Final answer
    x = 12,487.83

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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.