Home / 13,081.70-19,622.46-4,317.32

Finding the Fourth Proportional to 13,081.70, 19,622.46 and 4,317.32

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Solution

The fourth proportional to 13,081.70, 19,622.46 and 4,317.32 is: 6,475.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,081.70 : 19,622.46 = 4,317.32 : x
  2. Step 2: Convert to fraction form
    13,081.70/19,622.46 = 4,317.32/x
  3. Step 3: Cross multiply
    13,081.70x = 19,622.46 × 4,317.32
  4. Step 4: Simplify right side
    13,081.70x = 84,716,439.01
  5. Step 5: Solve for x
    x = 84,716,439.01/13,081.70
  6. Step 6: Final answer
    x = 6,475.95

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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.