Home / 14,348.86-21,522.07-4,986.48

Finding the Fourth Proportional to 14,348.86, 21,522.07 and 4,986.48

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Solution

The fourth proportional to 14,348.86, 21,522.07 and 4,986.48 is: 7,479.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,348.86 : 21,522.07 = 4,986.48 : x
  2. Step 2: Convert to fraction form
    14,348.86/21,522.07 = 4,986.48/x
  3. Step 3: Cross multiply
    14,348.86x = 21,522.07 × 4,986.48
  4. Step 4: Simplify right side
    14,348.86x = 107,319,371.61
  5. Step 5: Solve for x
    x = 107,319,371.61/14,348.86
  6. Step 6: Final answer
    x = 7,479.30

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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.