Home / 11,720.24-17,561.86-9,518.26

Finding the Fourth Proportional to 11,720.24, 17,561.86 and 9,518.26

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Solution

The fourth proportional to 11,720.24, 17,561.86 and 9,518.26 is: 14,262.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,720.24 : 17,561.86 = 9,518.26 : x
  2. Step 2: Convert to fraction form
    11,720.24/17,561.86 = 9,518.26/x
  3. Step 3: Cross multiply
    11,720.24x = 17,561.86 × 9,518.26
  4. Step 4: Simplify right side
    11,720.24x = 167,158,349.56
  5. Step 5: Solve for x
    x = 167,158,349.56/11,720.24
  6. Step 6: Final answer
    x = 14,262.37

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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.