Home / 11,015.81-15,201.41-5,979.93

Finding the Fourth Proportional to 11,015.81, 15,201.41 and 5,979.93

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Solution

The fourth proportional to 11,015.81, 15,201.41 and 5,979.93 is: 8,252.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,015.81 : 15,201.41 = 5,979.93 : x
  2. Step 2: Convert to fraction form
    11,015.81/15,201.41 = 5,979.93/x
  3. Step 3: Cross multiply
    11,015.81x = 15,201.41 × 5,979.93
  4. Step 4: Simplify right side
    11,015.81x = 90,903,337.80
  5. Step 5: Solve for x
    x = 90,903,337.80/11,015.81
  6. Step 6: Final answer
    x = 8,252.08

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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.