Home / 11,393.18-17,089.64-9,441.30

Finding the Fourth Proportional to 11,393.18, 17,089.64 and 9,441.30

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Solution

The fourth proportional to 11,393.18, 17,089.64 and 9,441.30 is: 14,161.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,393.18 : 17,089.64 = 9,441.30 : x
  2. Step 2: Convert to fraction form
    11,393.18/17,089.64 = 9,441.30/x
  3. Step 3: Cross multiply
    11,393.18x = 17,089.64 × 9,441.30
  4. Step 4: Simplify right side
    11,393.18x = 161,348,418.13
  5. Step 5: Solve for x
    x = 161,348,418.13/11,393.18
  6. Step 6: Final answer
    x = 14,161.84

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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.