Home / 13,296.09-18,341.87-10,146.81

Finding the Fourth Proportional to 13,296.09, 18,341.87 and 10,146.81

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Solution

The fourth proportional to 13,296.09, 18,341.87 and 10,146.81 is: 13,997.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,296.09 : 18,341.87 = 10,146.81 : x
  2. Step 2: Convert to fraction form
    13,296.09/18,341.87 = 10,146.81/x
  3. Step 3: Cross multiply
    13,296.09x = 18,341.87 × 10,146.81
  4. Step 4: Simplify right side
    13,296.09x = 186,111,419.20
  5. Step 5: Solve for x
    x = 186,111,419.20/13,296.09
  6. Step 6: Final answer
    x = 13,997.45

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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.