Home / 14,079.83-21,122.37-5,197.47

Finding the Fourth Proportional to 14,079.83, 21,122.37 and 5,197.47

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Solution

The fourth proportional to 14,079.83, 21,122.37 and 5,197.47 is: 7,797.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,079.83 : 21,122.37 = 5,197.47 : x
  2. Step 2: Convert to fraction form
    14,079.83/21,122.37 = 5,197.47/x
  3. Step 3: Cross multiply
    14,079.83x = 21,122.37 × 5,197.47
  4. Step 4: Simplify right side
    14,079.83x = 109,782,805.20
  5. Step 5: Solve for x
    x = 109,782,805.20/14,079.83
  6. Step 6: Final answer
    x = 7,797.17

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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.