Home / 14,755.68-20,363.97-8,384.28

Finding the Fourth Proportional to 14,755.68, 20,363.97 and 8,384.28

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Solution

The fourth proportional to 14,755.68, 20,363.97 and 8,384.28 is: 11,570.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,755.68 : 20,363.97 = 8,384.28 : x
  2. Step 2: Convert to fraction form
    14,755.68/20,363.97 = 8,384.28/x
  3. Step 3: Cross multiply
    14,755.68x = 20,363.97 × 8,384.28
  4. Step 4: Simplify right side
    14,755.68x = 170,737,226.39
  5. Step 5: Solve for x
    x = 170,737,226.39/14,755.68
  6. Step 6: Final answer
    x = 11,570.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.