Home / 11,184.96-15,436.80-7,204.80

Finding the Fourth Proportional to 11,184.96, 15,436.80 and 7,204.80

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Solution

The fourth proportional to 11,184.96, 15,436.80 and 7,204.80 is: 9,943.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,184.96 : 15,436.80 = 7,204.80 : x
  2. Step 2: Convert to fraction form
    11,184.96/15,436.80 = 7,204.80/x
  3. Step 3: Cross multiply
    11,184.96x = 15,436.80 × 7,204.80
  4. Step 4: Simplify right side
    11,184.96x = 111,219,056.64
  5. Step 5: Solve for x
    x = 111,219,056.64/11,184.96
  6. Step 6: Final answer
    x = 9,943.63

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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.