Home / 13,862.08-19,129.64-7,574.44

Finding the Fourth Proportional to 13,862.08, 19,129.64 and 7,574.44

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Solution

The fourth proportional to 13,862.08, 19,129.64 and 7,574.44 is: 10,452.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,862.08 : 19,129.64 = 7,574.44 : x
  2. Step 2: Convert to fraction form
    13,862.08/19,129.64 = 7,574.44/x
  3. Step 3: Cross multiply
    13,862.08x = 19,129.64 × 7,574.44
  4. Step 4: Simplify right side
    13,862.08x = 144,896,310.40
  5. Step 5: Solve for x
    x = 144,896,310.40/13,862.08
  6. Step 6: Final answer
    x = 10,452.71

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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.