Home / 14,180.82-21,271.28-5,747.47

Finding the Fourth Proportional to 14,180.82, 21,271.28 and 5,747.47

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Solution

The fourth proportional to 14,180.82, 21,271.28 and 5,747.47 is: 8,621.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,180.82 : 21,271.28 = 5,747.47 : x
  2. Step 2: Convert to fraction form
    14,180.82/21,271.28 = 5,747.47/x
  3. Step 3: Cross multiply
    14,180.82x = 21,271.28 × 5,747.47
  4. Step 4: Simplify right side
    14,180.82x = 122,256,043.66
  5. Step 5: Solve for x
    x = 122,256,043.66/14,180.82
  6. Step 6: Final answer
    x = 8,621.23

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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.