Home / 14,415.90-21,620.58-6,617.22

Finding the Fourth Proportional to 14,415.90, 21,620.58 and 6,617.22

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Solution

The fourth proportional to 14,415.90, 21,620.58 and 6,617.22 is: 9,924.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,415.90 : 21,620.58 = 6,617.22 : x
  2. Step 2: Convert to fraction form
    14,415.90/21,620.58 = 6,617.22/x
  3. Step 3: Cross multiply
    14,415.90x = 21,620.58 × 6,617.22
  4. Step 4: Simplify right side
    14,415.90x = 143,068,134.39
  5. Step 5: Solve for x
    x = 143,068,134.39/14,415.90
  6. Step 6: Final answer
    x = 9,924.33

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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.