Home / 11,102.36-16,679.39-10,505.18

Finding the Fourth Proportional to 11,102.36, 16,679.39 and 10,505.18

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Solution

The fourth proportional to 11,102.36, 16,679.39 and 10,505.18 is: 15,782.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,102.36 : 16,679.39 = 10,505.18 : x
  2. Step 2: Convert to fraction form
    11,102.36/16,679.39 = 10,505.18/x
  3. Step 3: Cross multiply
    11,102.36x = 16,679.39 × 10,505.18
  4. Step 4: Simplify right side
    11,102.36x = 175,219,983.41
  5. Step 5: Solve for x
    x = 175,219,983.41/11,102.36
  6. Step 6: Final answer
    x = 15,782.24

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1.5x scale

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.