Home / 12,265.28-18,383.90-5,586.89

Finding the Fourth Proportional to 12,265.28, 18,383.90 and 5,586.89

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Solution

The fourth proportional to 12,265.28, 18,383.90 and 5,586.89 is: 8,373.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,265.28 : 18,383.90 = 5,586.89 : x
  2. Step 2: Convert to fraction form
    12,265.28/18,383.90 = 5,586.89/x
  3. Step 3: Cross multiply
    12,265.28x = 18,383.90 × 5,586.89
  4. Step 4: Simplify right side
    12,265.28x = 102,708,707.22
  5. Step 5: Solve for x
    x = 102,708,707.22/12,265.28
  6. Step 6: Final answer
    x = 8,373.94

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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.