Home / 14,804.17-20,429.51-8,089.66

Finding the Fourth Proportional to 14,804.17, 20,429.51 and 8,089.66

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Solution

The fourth proportional to 14,804.17, 20,429.51 and 8,089.66 is: 11,163.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,804.17 : 20,429.51 = 8,089.66 : x
  2. Step 2: Convert to fraction form
    14,804.17/20,429.51 = 8,089.66/x
  3. Step 3: Cross multiply
    14,804.17x = 20,429.51 × 8,089.66
  4. Step 4: Simplify right side
    14,804.17x = 165,267,789.87
  5. Step 5: Solve for x
    x = 165,267,789.87/14,804.17
  6. Step 6: Final answer
    x = 11,163.60

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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.