Home / 14,804.43-20,429.86-8,089.91

Finding the Fourth Proportional to 14,804.43, 20,429.86 and 8,089.91

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Solution

The fourth proportional to 14,804.43, 20,429.86 and 8,089.91 is: 11,163.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,804.43 : 20,429.86 = 8,089.91 : x
  2. Step 2: Convert to fraction form
    14,804.43/20,429.86 = 8,089.91/x
  3. Step 3: Cross multiply
    14,804.43x = 20,429.86 × 8,089.91
  4. Step 4: Simplify right side
    14,804.43x = 165,275,728.71
  5. Step 5: Solve for x
    x = 165,275,728.71/14,804.43
  6. Step 6: Final answer
    x = 11,163.94

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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.