Home / 19,261.26-28,871.64-9,386.82

Finding the Fourth Proportional to 19,261.26, 28,871.64 and 9,386.82

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Solution

The fourth proportional to 19,261.26, 28,871.64 and 9,386.82 is: 14,070.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,261.26 : 28,871.64 = 9,386.82 : x
  2. Step 2: Convert to fraction form
    19,261.26/28,871.64 = 9,386.82/x
  3. Step 3: Cross multiply
    19,261.26x = 28,871.64 × 9,386.82
  4. Step 4: Simplify right side
    19,261.26x = 271,012,887.78
  5. Step 5: Solve for x
    x = 271,012,887.78/19,261.26
  6. Step 6: Final answer
    x = 14,070.36

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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.