Home / 14,229.84-21,342.75-8,948.75

Finding the Fourth Proportional to 14,229.84, 21,342.75 and 8,948.75

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Solution

The fourth proportional to 14,229.84, 21,342.75 and 8,948.75 is: 13,421.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,229.84 : 21,342.75 = 8,948.75 : x
  2. Step 2: Convert to fraction form
    14,229.84/21,342.75 = 8,948.75/x
  3. Step 3: Cross multiply
    14,229.84x = 21,342.75 × 8,948.75
  4. Step 4: Simplify right side
    14,229.84x = 190,990,782.61
  5. Step 5: Solve for x
    x = 190,990,782.61/14,229.84
  6. Step 6: Final answer
    x = 13,421.86

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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.