Home / 14,620.89-21,896.53-9,339.55

Finding the Fourth Proportional to 14,620.89, 21,896.53 and 9,339.55

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Solution

The fourth proportional to 14,620.89, 21,896.53 and 9,339.55 is: 13,987.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,620.89 : 21,896.53 = 9,339.55 : x
  2. Step 2: Convert to fraction form
    14,620.89/21,896.53 = 9,339.55/x
  3. Step 3: Cross multiply
    14,620.89x = 21,896.53 × 9,339.55
  4. Step 4: Simplify right side
    14,620.89x = 204,503,658.67
  5. Step 5: Solve for x
    x = 204,503,658.67/14,620.89
  6. Step 6: Final answer
    x = 13,987.08

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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.