Home / 22,815.40-34,208.30-9,664.20

Finding the Fourth Proportional to 22,815.40, 34,208.30 and 9,664.20

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Solution

The fourth proportional to 22,815.40, 34,208.30 and 9,664.20 is: 14,490.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,815.40 : 34,208.30 = 9,664.20 : x
  2. Step 2: Convert to fraction form
    22,815.40/34,208.30 = 9,664.20/x
  3. Step 3: Cross multiply
    22,815.40x = 34,208.30 × 9,664.20
  4. Step 4: Simplify right side
    22,815.40x = 330,595,852.86
  5. Step 5: Solve for x
    x = 330,595,852.86/22,815.40
  6. Step 6: Final answer
    x = 14,490.03

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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.