Home / 14,270.20-19,693.34-7,982.52

Finding the Fourth Proportional to 14,270.20, 19,693.34 and 7,982.52

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Solution

The fourth proportional to 14,270.20, 19,693.34 and 7,982.52 is: 11,016.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,270.20 : 19,693.34 = 7,982.52 : x
  2. Step 2: Convert to fraction form
    14,270.20/19,693.34 = 7,982.52/x
  3. Step 3: Cross multiply
    14,270.20x = 19,693.34 × 7,982.52
  4. Step 4: Simplify right side
    14,270.20x = 157,202,480.42
  5. Step 5: Solve for x
    x = 157,202,480.42/14,270.20
  6. Step 6: Final answer
    x = 11,016.14

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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.