Home / 10,119.02-13,963.59-5,642.51

Finding the Fourth Proportional to 10,119.02, 13,963.59 and 5,642.51

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Solution

The fourth proportional to 10,119.02, 13,963.59 and 5,642.51 is: 7,786.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,119.02 : 13,963.59 = 5,642.51 : x
  2. Step 2: Convert to fraction form
    10,119.02/13,963.59 = 5,642.51/x
  3. Step 3: Cross multiply
    10,119.02x = 13,963.59 × 5,642.51
  4. Step 4: Simplify right side
    10,119.02x = 78,789,626.39
  5. Step 5: Solve for x
    x = 78,789,626.39/10,119.02
  6. Step 6: Final answer
    x = 7,786.29

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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.