Home / 11,343.72-15,653.26-10,507.80

Finding the Fourth Proportional to 11,343.72, 15,653.26 and 10,507.80

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Solution

The fourth proportional to 11,343.72, 15,653.26 and 10,507.80 is: 14,499.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,343.72 : 15,653.26 = 10,507.80 : x
  2. Step 2: Convert to fraction form
    11,343.72/15,653.26 = 10,507.80/x
  3. Step 3: Cross multiply
    11,343.72x = 15,653.26 × 10,507.80
  4. Step 4: Simplify right side
    11,343.72x = 164,481,194.62
  5. Step 5: Solve for x
    x = 164,481,194.62/11,343.72
  6. Step 6: Final answer
    x = 14,499.76

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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.