Home / 11,009.28-15,196.80-7,284.48

Finding the Fourth Proportional to 11,009.28, 15,196.80 and 7,284.48

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Solution

The fourth proportional to 11,009.28, 15,196.80 and 7,284.48 is: 10,055.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,009.28 : 15,196.80 = 7,284.48 : x
  2. Step 2: Convert to fraction form
    11,009.28/15,196.80 = 7,284.48/x
  3. Step 3: Cross multiply
    11,009.28x = 15,196.80 × 7,284.48
  4. Step 4: Simplify right side
    11,009.28x = 110,700,785.66
  5. Step 5: Solve for x
    x = 110,700,785.66/11,009.28
  6. Step 6: Final answer
    x = 10,055.22

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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.