Home / 11,355.34-15,668.97-6,318.22

Finding the Fourth Proportional to 11,355.34, 15,668.97 and 6,318.22

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Solution

The fourth proportional to 11,355.34, 15,668.97 and 6,318.22 is: 8,718.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,355.34 : 15,668.97 = 6,318.22 : x
  2. Step 2: Convert to fraction form
    11,355.34/15,668.97 = 6,318.22/x
  3. Step 3: Cross multiply
    11,355.34x = 15,668.97 × 6,318.22
  4. Step 4: Simplify right side
    11,355.34x = 98,999,999.63
  5. Step 5: Solve for x
    x = 98,999,999.63/11,355.34
  6. Step 6: Final answer
    x = 8,718.37

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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.