Home / 14,206.44-21,309.65-3,818.19

Finding the Fourth Proportional to 14,206.44, 21,309.65 and 3,818.19

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Solution

The fourth proportional to 14,206.44, 21,309.65 and 3,818.19 is: 5,727.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,206.44 : 21,309.65 = 3,818.19 : x
  2. Step 2: Convert to fraction form
    14,206.44/21,309.65 = 3,818.19/x
  3. Step 3: Cross multiply
    14,206.44x = 21,309.65 × 3,818.19
  4. Step 4: Simplify right side
    14,206.44x = 81,364,166.89
  5. Step 5: Solve for x
    x = 81,364,166.89/14,206.44
  6. Step 6: Final answer
    x = 5,727.28

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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.