Home / 13,081.05-19,624.32-4,315.77

Finding the Fourth Proportional to 13,081.05, 19,624.32 and 4,315.77

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Solution

The fourth proportional to 13,081.05, 19,624.32 and 4,315.77 is: 6,474.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,081.05 : 19,624.32 = 4,315.77 : x
  2. Step 2: Convert to fraction form
    13,081.05/19,624.32 = 4,315.77/x
  3. Step 3: Cross multiply
    13,081.05x = 19,624.32 × 4,315.77
  4. Step 4: Simplify right side
    13,081.05x = 84,694,051.53
  5. Step 5: Solve for x
    x = 84,694,051.53/13,081.05
  6. Step 6: Final answer
    x = 6,474.56

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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.