Home / 19,281.11-28,921.66-6,133.49

Finding the Fourth Proportional to 19,281.11, 28,921.66 and 6,133.49

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Solution

The fourth proportional to 19,281.11, 28,921.66 and 6,133.49 is: 9,200.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,281.11 : 28,921.66 = 6,133.49 : x
  2. Step 2: Convert to fraction form
    19,281.11/28,921.66 = 6,133.49/x
  3. Step 3: Cross multiply
    19,281.11x = 28,921.66 × 6,133.49
  4. Step 4: Simplify right side
    19,281.11x = 177,390,660.91
  5. Step 5: Solve for x
    x = 177,390,660.91/19,281.11
  6. Step 6: Final answer
    x = 9,200.23

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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.