Home / 10,954.05-15,116.60-5,918.27

Finding the Fourth Proportional to 10,954.05, 15,116.60 and 5,918.27

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Solution

The fourth proportional to 10,954.05, 15,116.60 and 5,918.27 is: 8,167.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,954.05 : 15,116.60 = 5,918.27 : x
  2. Step 2: Convert to fraction form
    10,954.05/15,116.60 = 5,918.27/x
  3. Step 3: Cross multiply
    10,954.05x = 15,116.60 × 5,918.27
  4. Step 4: Simplify right side
    10,954.05x = 89,464,015.11
  5. Step 5: Solve for x
    x = 89,464,015.11/10,954.05
  6. Step 6: Final answer
    x = 8,167.21

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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.