Home / 19,481.39-29,203.70-9,479.81

Finding the Fourth Proportional to 19,481.39, 29,203.70 and 9,479.81

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Solution

The fourth proportional to 19,481.39, 29,203.70 and 9,479.81 is: 14,210.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,481.39 : 29,203.70 = 9,479.81 : x
  2. Step 2: Convert to fraction form
    19,481.39/29,203.70 = 9,479.81/x
  3. Step 3: Cross multiply
    19,481.39x = 29,203.70 × 9,479.81
  4. Step 4: Simplify right side
    19,481.39x = 276,845,527.30
  5. Step 5: Solve for x
    x = 276,845,527.30/19,481.39
  6. Step 6: Final answer
    x = 14,210.77

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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.