Home / 13,989.12-19,304.42-8,016.63

Finding the Fourth Proportional to 13,989.12, 19,304.42 and 8,016.63

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Solution

The fourth proportional to 13,989.12, 19,304.42 and 8,016.63 is: 11,062.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,989.12 : 19,304.42 = 8,016.63 : x
  2. Step 2: Convert to fraction form
    13,989.12/19,304.42 = 8,016.63/x
  3. Step 3: Cross multiply
    13,989.12x = 19,304.42 × 8,016.63
  4. Step 4: Simplify right side
    13,989.12x = 154,756,352.42
  5. Step 5: Solve for x
    x = 154,756,352.42/13,989.12
  6. Step 6: Final answer
    x = 11,062.62

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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.