Home / 14,208.81-19,604.21-8,239.29

Finding the Fourth Proportional to 14,208.81, 19,604.21 and 8,239.29

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Solution

The fourth proportional to 14,208.81, 19,604.21 and 8,239.29 is: 11,367.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,208.81 : 19,604.21 = 8,239.29 : x
  2. Step 2: Convert to fraction form
    14,208.81/19,604.21 = 8,239.29/x
  3. Step 3: Cross multiply
    14,208.81x = 19,604.21 × 8,239.29
  4. Step 4: Simplify right side
    14,208.81x = 161,524,730.21
  5. Step 5: Solve for x
    x = 161,524,730.21/14,208.81
  6. Step 6: Final answer
    x = 11,367.93

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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.