Home / 11,015.02-15,200.73-5,979.23

Finding the Fourth Proportional to 11,015.02, 15,200.73 and 5,979.23

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Solution

The fourth proportional to 11,015.02, 15,200.73 and 5,979.23 is: 8,251.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,015.02 : 15,200.73 = 5,979.23 : x
  2. Step 2: Convert to fraction form
    11,015.02/15,200.73 = 5,979.23/x
  3. Step 3: Cross multiply
    11,015.02x = 15,200.73 × 5,979.23
  4. Step 4: Simplify right side
    11,015.02x = 90,888,698.84
  5. Step 5: Solve for x
    x = 90,888,698.84/11,015.02
  6. Step 6: Final answer
    x = 8,251.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.