Home / 13,325.16-19,987.02-3,965.25

Finding the Fourth Proportional to 13,325.16, 19,987.02 and 3,965.25

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Solution

The fourth proportional to 13,325.16, 19,987.02 and 3,965.25 is: 5,947.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,325.16 : 19,987.02 = 3,965.25 : x
  2. Step 2: Convert to fraction form
    13,325.16/19,987.02 = 3,965.25/x
  3. Step 3: Cross multiply
    13,325.16x = 19,987.02 × 3,965.25
  4. Step 4: Simplify right side
    13,325.16x = 79,253,531.06
  5. Step 5: Solve for x
    x = 79,253,531.06/13,325.16
  6. Step 6: Final answer
    x = 5,947.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.