Home / 20,643.15-30,964.66-5,852.19

Finding the Fourth Proportional to 20,643.15, 30,964.66 and 5,852.19

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Solution

The fourth proportional to 20,643.15, 30,964.66 and 5,852.19 is: 8,778.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,643.15 : 30,964.66 = 5,852.19 : x
  2. Step 2: Convert to fraction form
    20,643.15/30,964.66 = 5,852.19/x
  3. Step 3: Cross multiply
    20,643.15x = 30,964.66 × 5,852.19
  4. Step 4: Simplify right side
    20,643.15x = 181,211,073.61
  5. Step 5: Solve for x
    x = 181,211,073.61/20,643.15
  6. Step 6: Final answer
    x = 8,778.27

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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.