Home / 14,244.40-21,382.80-8,404.30

Finding the Fourth Proportional to 14,244.40, 21,382.80 and 8,404.30

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Solution

The fourth proportional to 14,244.40, 21,382.80 and 8,404.30 is: 12,616.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,244.40 : 21,382.80 = 8,404.30 : x
  2. Step 2: Convert to fraction form
    14,244.40/21,382.80 = 8,404.30/x
  3. Step 3: Cross multiply
    14,244.40x = 21,382.80 × 8,404.30
  4. Step 4: Simplify right side
    14,244.40x = 179,707,466.04
  5. Step 5: Solve for x
    x = 179,707,466.04/14,244.40
  6. Step 6: Final answer
    x = 12,616.01

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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.