Home / 21,866.33-30,184.68-14,796.86

Finding the Fourth Proportional to 21,866.33, 30,184.68 and 14,796.86

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Solution

The fourth proportional to 21,866.33, 30,184.68 and 14,796.86 is: 20,425.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,866.33 : 30,184.68 = 14,796.86 : x
  2. Step 2: Convert to fraction form
    21,866.33/30,184.68 = 14,796.86/x
  3. Step 3: Cross multiply
    21,866.33x = 30,184.68 × 14,796.86
  4. Step 4: Simplify right side
    21,866.33x = 446,638,484.10
  5. Step 5: Solve for x
    x = 446,638,484.10/21,866.33
  6. Step 6: Final answer
    x = 20,425.85

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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.