Home / 11,317.36-15,617.89-6,281.63

Finding the Fourth Proportional to 11,317.36, 15,617.89 and 6,281.63

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Solution

The fourth proportional to 11,317.36, 15,617.89 and 6,281.63 is: 8,668.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,317.36 : 15,617.89 = 6,281.63 : x
  2. Step 2: Convert to fraction form
    11,317.36/15,617.89 = 6,281.63/x
  3. Step 3: Cross multiply
    11,317.36x = 15,617.89 × 6,281.63
  4. Step 4: Simplify right side
    11,317.36x = 98,105,806.36
  5. Step 5: Solve for x
    x = 98,105,806.36/11,317.36
  6. Step 6: Final answer
    x = 8,668.61

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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.