Home / 14,122.61-21,185.68-4,261.87

Finding the Fourth Proportional to 14,122.61, 21,185.68 and 4,261.87

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Solution

The fourth proportional to 14,122.61, 21,185.68 and 4,261.87 is: 6,393.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,122.61 : 21,185.68 = 4,261.87 : x
  2. Step 2: Convert to fraction form
    14,122.61/21,185.68 = 4,261.87/x
  3. Step 3: Cross multiply
    14,122.61x = 21,185.68 × 4,261.87
  4. Step 4: Simplify right side
    14,122.61x = 90,290,614.02
  5. Step 5: Solve for x
    x = 90,290,614.02/14,122.61
  6. Step 6: Final answer
    x = 6,393.34

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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.