Home / 13,927.68-20,877.75-5,160.24

Finding the Fourth Proportional to 13,927.68, 20,877.75 and 5,160.24

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Solution

The fourth proportional to 13,927.68, 20,877.75 and 5,160.24 is: 7,735.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,927.68 : 20,877.75 = 5,160.24 : x
  2. Step 2: Convert to fraction form
    13,927.68/20,877.75 = 5,160.24/x
  3. Step 3: Cross multiply
    13,927.68x = 20,877.75 × 5,160.24
  4. Step 4: Simplify right side
    13,927.68x = 107,734,200.66
  5. Step 5: Solve for x
    x = 107,734,200.66/13,927.68
  6. Step 6: Final answer
    x = 7,735.26

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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.