Home / 14,479.89-21,732.14-5,720.95

Finding the Fourth Proportional to 14,479.89, 21,732.14 and 5,720.95

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Solution

The fourth proportional to 14,479.89, 21,732.14 and 5,720.95 is: 8,586.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,479.89 : 21,732.14 = 5,720.95 : x
  2. Step 2: Convert to fraction form
    14,479.89/21,732.14 = 5,720.95/x
  3. Step 3: Cross multiply
    14,479.89x = 21,732.14 × 5,720.95
  4. Step 4: Simplify right side
    14,479.89x = 124,328,486.33
  5. Step 5: Solve for x
    x = 124,328,486.33/14,479.89
  6. Step 6: Final answer
    x = 8,586.29

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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.