Home / 10,743.68-16,081.80-7,392.32

Finding the Fourth Proportional to 10,743.68, 16,081.80 and 7,392.32

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Solution

The fourth proportional to 10,743.68, 16,081.80 and 7,392.32 is: 11,065.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,743.68 : 16,081.80 = 7,392.32 : x
  2. Step 2: Convert to fraction form
    10,743.68/16,081.80 = 7,392.32/x
  3. Step 3: Cross multiply
    10,743.68x = 16,081.80 × 7,392.32
  4. Step 4: Simplify right side
    10,743.68x = 118,881,811.78
  5. Step 5: Solve for x
    x = 118,881,811.78/10,743.68
  6. Step 6: Final answer
    x = 11,065.28

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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.