Home / 14,804.16-20,429.04-8,089.56

Finding the Fourth Proportional to 14,804.16, 20,429.04 and 8,089.56

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Solution

The fourth proportional to 14,804.16, 20,429.04 and 8,089.56 is: 11,163.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,804.16 : 20,429.04 = 8,089.56 : x
  2. Step 2: Convert to fraction form
    14,804.16/20,429.04 = 8,089.56/x
  3. Step 3: Cross multiply
    14,804.16x = 20,429.04 × 8,089.56
  4. Step 4: Simplify right side
    14,804.16x = 165,261,944.82
  5. Step 5: Solve for x
    x = 165,261,944.82/14,804.16
  6. Step 6: Final answer
    x = 11,163.21

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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.