Home / 13,965.17-20,957.75-5,080.48

Finding the Fourth Proportional to 13,965.17, 20,957.75 and 5,080.48

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Solution

The fourth proportional to 13,965.17, 20,957.75 and 5,080.48 is: 7,624.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,965.17 : 20,957.75 = 5,080.48 : x
  2. Step 2: Convert to fraction form
    13,965.17/20,957.75 = 5,080.48/x
  3. Step 3: Cross multiply
    13,965.17x = 20,957.75 × 5,080.48
  4. Step 4: Simplify right side
    13,965.17x = 106,475,404.32
  5. Step 5: Solve for x
    x = 106,475,404.32/13,965.17
  6. Step 6: Final answer
    x = 7,624.36

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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.