Home / 14,617.74-21,921.44-4,755.18

Finding the Fourth Proportional to 14,617.74, 21,921.44 and 4,755.18

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Solution

The fourth proportional to 14,617.74, 21,921.44 and 4,755.18 is: 7,131.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,617.74 : 21,921.44 = 4,755.18 : x
  2. Step 2: Convert to fraction form
    14,617.74/21,921.44 = 4,755.18/x
  3. Step 3: Cross multiply
    14,617.74x = 21,921.44 × 4,755.18
  4. Step 4: Simplify right side
    14,617.74x = 104,240,369.28
  5. Step 5: Solve for x
    x = 104,240,369.28/14,617.74
  6. Step 6: Final answer
    x = 7,131.09

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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.