Home / 16,853.78-25,280.66-5,165.48

Finding the Fourth Proportional to 16,853.78, 25,280.66 and 5,165.48

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Solution

The fourth proportional to 16,853.78, 25,280.66 and 5,165.48 is: 7,748.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,853.78 : 25,280.66 = 5,165.48 : x
  2. Step 2: Convert to fraction form
    16,853.78/25,280.66 = 5,165.48/x
  3. Step 3: Cross multiply
    16,853.78x = 25,280.66 × 5,165.48
  4. Step 4: Simplify right side
    16,853.78x = 130,586,591.39
  5. Step 5: Solve for x
    x = 130,586,591.39/16,853.78
  6. Step 6: Final answer
    x = 7,748.21

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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.