Home / 13,972.53-19,284.83-8,008.20

Finding the Fourth Proportional to 13,972.53, 19,284.83 and 8,008.20

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Solution

The fourth proportional to 13,972.53, 19,284.83 and 8,008.20 is: 11,052.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,972.53 : 19,284.83 = 8,008.20 : x
  2. Step 2: Convert to fraction form
    13,972.53/19,284.83 = 8,008.20/x
  3. Step 3: Cross multiply
    13,972.53x = 19,284.83 × 8,008.20
  4. Step 4: Simplify right side
    13,972.53x = 154,436,810.64
  5. Step 5: Solve for x
    x = 154,436,810.64/13,972.53
  6. Step 6: Final answer
    x = 11,052.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.