Home / 14,206.14-21,309.84-5,440.41

Finding the Fourth Proportional to 14,206.14, 21,309.84 and 5,440.41

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Solution

The fourth proportional to 14,206.14, 21,309.84 and 5,440.41 is: 8,160.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,206.14 : 21,309.84 = 5,440.41 : x
  2. Step 2: Convert to fraction form
    14,206.14/21,309.84 = 5,440.41/x
  3. Step 3: Cross multiply
    14,206.14x = 21,309.84 × 5,440.41
  4. Step 4: Simplify right side
    14,206.14x = 115,934,266.63
  5. Step 5: Solve for x
    x = 115,934,266.63/14,206.14
  6. Step 6: Final answer
    x = 8,160.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.