Home / 14,317.60-21,470.64-5,081.44

Finding the Fourth Proportional to 14,317.60, 21,470.64 and 5,081.44

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Solution

The fourth proportional to 14,317.60, 21,470.64 and 5,081.44 is: 7,620.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,317.60 : 21,470.64 = 5,081.44 : x
  2. Step 2: Convert to fraction form
    14,317.60/21,470.64 = 5,081.44/x
  3. Step 3: Cross multiply
    14,317.60x = 21,470.64 × 5,081.44
  4. Step 4: Simplify right side
    14,317.60x = 109,101,768.92
  5. Step 5: Solve for x
    x = 109,101,768.92/14,317.60
  6. Step 6: Final answer
    x = 7,620.12

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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.