Home / 13,997.53-21,001.41-6,504.55

Finding the Fourth Proportional to 13,997.53, 21,001.41 and 6,504.55

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Solution

The fourth proportional to 13,997.53, 21,001.41 and 6,504.55 is: 9,759.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,997.53 : 21,001.41 = 6,504.55 : x
  2. Step 2: Convert to fraction form
    13,997.53/21,001.41 = 6,504.55/x
  3. Step 3: Cross multiply
    13,997.53x = 21,001.41 × 6,504.55
  4. Step 4: Simplify right side
    13,997.53x = 136,604,721.42
  5. Step 5: Solve for x
    x = 136,604,721.42/13,997.53
  6. Step 6: Final answer
    x = 9,759.20

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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.