Home / 12,801.05-19,210.21-4,481.13

Finding the Fourth Proportional to 12,801.05, 19,210.21 and 4,481.13

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Solution

The fourth proportional to 12,801.05, 19,210.21 and 4,481.13 is: 6,724.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,801.05 : 19,210.21 = 4,481.13 : x
  2. Step 2: Convert to fraction form
    12,801.05/19,210.21 = 4,481.13/x
  3. Step 3: Cross multiply
    12,801.05x = 19,210.21 × 4,481.13
  4. Step 4: Simplify right side
    12,801.05x = 86,083,448.34
  5. Step 5: Solve for x
    x = 86,083,448.34/12,801.05
  6. Step 6: Final answer
    x = 6,724.72

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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.