Home / 11,375.04-15,702-11,005.92

Finding the Fourth Proportional to 11,375.04, 15,702 and 11,005.92

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Solution

The fourth proportional to 11,375.04, 15,702 and 11,005.92 is: 15,192.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,375.04 : 15,702 = 11,005.92 : x
  2. Step 2: Convert to fraction form
    11,375.04/15,702 = 11,005.92/x
  3. Step 3: Cross multiply
    11,375.04x = 15,702 × 11,005.92
  4. Step 4: Simplify right side
    11,375.04x = 172,814,955.84
  5. Step 5: Solve for x
    x = 172,814,955.84/11,375.04
  6. Step 6: Final answer
    x = 15,192.47

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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.