Home / 20,966.08-28,933.02-11,893.17

Finding the Fourth Proportional to 20,966.08, 28,933.02 and 11,893.17

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Solution

The fourth proportional to 20,966.08, 28,933.02 and 11,893.17 is: 16,412.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,966.08 : 28,933.02 = 11,893.17 : x
  2. Step 2: Convert to fraction form
    20,966.08/28,933.02 = 11,893.17/x
  3. Step 3: Cross multiply
    20,966.08x = 28,933.02 × 11,893.17
  4. Step 4: Simplify right side
    20,966.08x = 344,105,180.81
  5. Step 5: Solve for x
    x = 344,105,180.81/20,966.08
  6. Step 6: Final answer
    x = 16,412.47

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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.