Home / 14,489.28-19,996.90-8,827.36

Finding the Fourth Proportional to 14,489.28, 19,996.90 and 8,827.36

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Solution

The fourth proportional to 14,489.28, 19,996.90 and 8,827.36 is: 12,182.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,489.28 : 19,996.90 = 8,827.36 : x
  2. Step 2: Convert to fraction form
    14,489.28/19,996.90 = 8,827.36/x
  3. Step 3: Cross multiply
    14,489.28x = 19,996.90 × 8,827.36
  4. Step 4: Simplify right side
    14,489.28x = 176,519,835.18
  5. Step 5: Solve for x
    x = 176,519,835.18/14,489.28
  6. Step 6: Final answer
    x = 12,182.79

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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.