Home / 16,772.76-25,157.70-5,679.20

Finding the Fourth Proportional to 16,772.76, 25,157.70 and 5,679.20

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Solution

The fourth proportional to 16,772.76, 25,157.70 and 5,679.20 is: 8,518.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,772.76 : 25,157.70 = 5,679.20 : x
  2. Step 2: Convert to fraction form
    16,772.76/25,157.70 = 5,679.20/x
  3. Step 3: Cross multiply
    16,772.76x = 25,157.70 × 5,679.20
  4. Step 4: Simplify right side
    16,772.76x = 142,875,609.84
  5. Step 5: Solve for x
    x = 142,875,609.84/16,772.76
  6. Step 6: Final answer
    x = 8,518.31

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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.