Home / 11,247.04-15,520.67-6,142.39

Finding the Fourth Proportional to 11,247.04, 15,520.67 and 6,142.39

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Solution

The fourth proportional to 11,247.04, 15,520.67 and 6,142.39 is: 8,476.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,247.04 : 15,520.67 = 6,142.39 : x
  2. Step 2: Convert to fraction form
    11,247.04/15,520.67 = 6,142.39/x
  3. Step 3: Cross multiply
    11,247.04x = 15,520.67 × 6,142.39
  4. Step 4: Simplify right side
    11,247.04x = 95,333,969.40
  5. Step 5: Solve for x
    x = 95,333,969.40/11,247.04
  6. Step 6: Final answer
    x = 8,476.36

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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.