Home / 14,242.24-21,363.92-4,380.64

Finding the Fourth Proportional to 14,242.24, 21,363.92 and 4,380.64

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Solution

The fourth proportional to 14,242.24, 21,363.92 and 4,380.64 is: 6,571.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,242.24 : 21,363.92 = 4,380.64 : x
  2. Step 2: Convert to fraction form
    14,242.24/21,363.92 = 4,380.64/x
  3. Step 3: Cross multiply
    14,242.24x = 21,363.92 × 4,380.64
  4. Step 4: Simplify right side
    14,242.24x = 93,587,642.51
  5. Step 5: Solve for x
    x = 93,587,642.51/14,242.24
  6. Step 6: Final answer
    x = 6,571.13

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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.