Home / 14,557.40-21,843.30-8,322.20

Finding the Fourth Proportional to 14,557.40, 21,843.30 and 8,322.20

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Solution

The fourth proportional to 14,557.40, 21,843.30 and 8,322.20 is: 12,487.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,557.40 : 21,843.30 = 8,322.20 : x
  2. Step 2: Convert to fraction form
    14,557.40/21,843.30 = 8,322.20/x
  3. Step 3: Cross multiply
    14,557.40x = 21,843.30 × 8,322.20
  4. Step 4: Simplify right side
    14,557.40x = 181,784,311.26
  5. Step 5: Solve for x
    x = 181,784,311.26/14,557.40
  6. Step 6: Final answer
    x = 12,487.42

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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.