Home / 15,914.87-23,872.37-5,384.97

Finding the Fourth Proportional to 15,914.87, 23,872.37 and 5,384.97

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Solution

The fourth proportional to 15,914.87, 23,872.37 and 5,384.97 is: 8,077.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,914.87 : 23,872.37 = 5,384.97 : x
  2. Step 2: Convert to fraction form
    15,914.87/23,872.37 = 5,384.97/x
  3. Step 3: Cross multiply
    15,914.87x = 23,872.37 × 5,384.97
  4. Step 4: Simplify right side
    15,914.87x = 128,551,969.35
  5. Step 5: Solve for x
    x = 128,551,969.35/15,914.87
  6. Step 6: Final answer
    x = 8,077.48

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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.