Home / 14,380.98-21,583.74-5,622.06

Finding the Fourth Proportional to 14,380.98, 21,583.74 and 5,622.06

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Solution

The fourth proportional to 14,380.98, 21,583.74 and 5,622.06 is: 8,437.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,380.98 : 21,583.74 = 5,622.06 : x
  2. Step 2: Convert to fraction form
    14,380.98/21,583.74 = 5,622.06/x
  3. Step 3: Cross multiply
    14,380.98x = 21,583.74 × 5,622.06
  4. Step 4: Simplify right side
    14,380.98x = 121,345,081.30
  5. Step 5: Solve for x
    x = 121,345,081.30/14,380.98
  6. Step 6: Final answer
    x = 8,437.89

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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.