Home / 19,011.92-28,520.56-5,865.36

Finding the Fourth Proportional to 19,011.92, 28,520.56 and 5,865.36

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Solution

The fourth proportional to 19,011.92, 28,520.56 and 5,865.36 is: 8,798.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,011.92 : 28,520.56 = 5,865.36 : x
  2. Step 2: Convert to fraction form
    19,011.92/28,520.56 = 5,865.36/x
  3. Step 3: Cross multiply
    19,011.92x = 28,520.56 × 5,865.36
  4. Step 4: Simplify right side
    19,011.92x = 167,283,351.80
  5. Step 5: Solve for x
    x = 167,283,351.80/19,011.92
  6. Step 6: Final answer
    x = 8,798.87

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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.