Home / 11,984.55-17,970.69-6,442.56

Finding the Fourth Proportional to 11,984.55, 17,970.69 and 6,442.56

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Solution

The fourth proportional to 11,984.55, 17,970.69 and 6,442.56 is: 9,660.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,984.55 : 17,970.69 = 6,442.56 : x
  2. Step 2: Convert to fraction form
    11,984.55/17,970.69 = 6,442.56/x
  3. Step 3: Cross multiply
    11,984.55x = 17,970.69 × 6,442.56
  4. Step 4: Simplify right side
    11,984.55x = 115,777,248.57
  5. Step 5: Solve for x
    x = 115,777,248.57/11,984.55
  6. Step 6: Final answer
    x = 9,660.54

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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.