Home / 14,203.75-21,274.64-11,710.57

Finding the Fourth Proportional to 14,203.75, 21,274.64 and 11,710.57

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Solution

The fourth proportional to 14,203.75, 21,274.64 and 11,710.57 is: 17,540.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,203.75 : 21,274.64 = 11,710.57 : x
  2. Step 2: Convert to fraction form
    14,203.75/21,274.64 = 11,710.57/x
  3. Step 3: Cross multiply
    14,203.75x = 21,274.64 × 11,710.57
  4. Step 4: Simplify right side
    14,203.75x = 249,138,049.21
  5. Step 5: Solve for x
    x = 249,138,049.21/14,203.75
  6. Step 6: Final answer
    x = 17,540.30

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1.5x scale

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.