Home / 11,326.16-16,996.80-4,312.64

Finding the Fourth Proportional to 11,326.16, 16,996.80 and 4,312.64

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Solution

The fourth proportional to 11,326.16, 16,996.80 and 4,312.64 is: 6,471.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,326.16 : 16,996.80 = 4,312.64 : x
  2. Step 2: Convert to fraction form
    11,326.16/16,996.80 = 4,312.64/x
  3. Step 3: Cross multiply
    11,326.16x = 16,996.80 × 4,312.64
  4. Step 4: Simplify right side
    11,326.16x = 73,301,079.55
  5. Step 5: Solve for x
    x = 73,301,079.55/11,326.16
  6. Step 6: Final answer
    x = 6,471.84

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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.