Home / 20,895.96-28,838.96-11,943.84

Finding the Fourth Proportional to 20,895.96, 28,838.96 and 11,943.84

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Solution

The fourth proportional to 20,895.96, 28,838.96 and 11,943.84 is: 16,483.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,895.96 : 28,838.96 = 11,943.84 : x
  2. Step 2: Convert to fraction form
    20,895.96/28,838.96 = 11,943.84/x
  3. Step 3: Cross multiply
    20,895.96x = 28,838.96 × 11,943.84
  4. Step 4: Simplify right side
    20,895.96x = 344,447,924.01
  5. Step 5: Solve for x
    x = 344,447,924.01/20,895.96
  6. Step 6: Final answer
    x = 16,483.95

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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.