Home / 10,988.46-15,164.37-6,272.64

Finding the Fourth Proportional to 10,988.46, 15,164.37 and 6,272.64

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Solution

The fourth proportional to 10,988.46, 15,164.37 and 6,272.64 is: 8,656.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,988.46 : 15,164.37 = 6,272.64 : x
  2. Step 2: Convert to fraction form
    10,988.46/15,164.37 = 6,272.64/x
  3. Step 3: Cross multiply
    10,988.46x = 15,164.37 × 6,272.64
  4. Step 4: Simplify right side
    10,988.46x = 95,120,633.84
  5. Step 5: Solve for x
    x = 95,120,633.84/10,988.46
  6. Step 6: Final answer
    x = 8,656.41

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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.