Home / 10.06-13.90-9.36

Finding the Fourth Proportional to 10.06, 13.90 and 9.36

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Solution

The fourth proportional to 10.06, 13.90 and 9.36 is: 12.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10.06 : 13.90 = 9.36 : x
  2. Step 2: Convert to fraction form
    10.06/13.90 = 9.36/x
  3. Step 3: Cross multiply
    10.06x = 13.90 × 9.36
  4. Step 4: Simplify right side
    10.06x = 130.10
  5. Step 5: Solve for x
    x = 130.10/10.06
  6. Step 6: Final answer
    x = 12.93

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.