Home / 11,649.44-17,389.56-10,782.12

Finding the Fourth Proportional to 11,649.44, 17,389.56 and 10,782.12

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Solution

The fourth proportional to 11,649.44, 17,389.56 and 10,782.12 is: 16,094.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,649.44 : 17,389.56 = 10,782.12 : x
  2. Step 2: Convert to fraction form
    11,649.44/17,389.56 = 10,782.12/x
  3. Step 3: Cross multiply
    11,649.44x = 17,389.56 × 10,782.12
  4. Step 4: Simplify right side
    11,649.44x = 187,496,322.67
  5. Step 5: Solve for x
    x = 187,496,322.67/11,649.44
  6. Step 6: Final answer
    x = 16,094.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.