Home / 11,317.20-15,619.67-6,536.29

Finding the Fourth Proportional to 11,317.20, 15,619.67 and 6,536.29

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Solution

The fourth proportional to 11,317.20, 15,619.67 and 6,536.29 is: 9,021.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,317.20 : 15,619.67 = 6,536.29 : x
  2. Step 2: Convert to fraction form
    11,317.20/15,619.67 = 6,536.29/x
  3. Step 3: Cross multiply
    11,317.20x = 15,619.67 × 6,536.29
  4. Step 4: Simplify right side
    11,317.20x = 102,094,670.12
  5. Step 5: Solve for x
    x = 102,094,670.12/11,317.20
  6. Step 6: Final answer
    x = 9,021.19

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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.