Home / 10,883.36-15,014.57-7,105.22

Finding the Fourth Proportional to 10,883.36, 15,014.57 and 7,105.22

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Solution

The fourth proportional to 10,883.36, 15,014.57 and 7,105.22 is: 9,802.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,883.36 : 15,014.57 = 7,105.22 : x
  2. Step 2: Convert to fraction form
    10,883.36/15,014.57 = 7,105.22/x
  3. Step 3: Cross multiply
    10,883.36x = 15,014.57 × 7,105.22
  4. Step 4: Simplify right side
    10,883.36x = 106,681,768.76
  5. Step 5: Solve for x
    x = 106,681,768.76/10,883.36
  6. Step 6: Final answer
    x = 9,802.28

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Similar ratio
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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.