Home / 11,172.06-15,417.54-6,693.57

Finding the Fourth Proportional to 11,172.06, 15,417.54 and 6,693.57

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Solution

The fourth proportional to 11,172.06, 15,417.54 and 6,693.57 is: 9,237.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,172.06 : 15,417.54 = 6,693.57 : x
  2. Step 2: Convert to fraction form
    11,172.06/15,417.54 = 6,693.57/x
  3. Step 3: Cross multiply
    11,172.06x = 15,417.54 × 6,693.57
  4. Step 4: Simplify right side
    11,172.06x = 103,198,383.22
  5. Step 5: Solve for x
    x = 103,198,383.22/11,172.06
  6. Step 6: Final answer
    x = 9,237.18

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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.