Home / 15,929.94-23,903.20-8,905.62

Finding the Fourth Proportional to 15,929.94, 23,903.20 and 8,905.62

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Solution

The fourth proportional to 15,929.94, 23,903.20 and 8,905.62 is: 13,363.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,929.94 : 23,903.20 = 8,905.62 : x
  2. Step 2: Convert to fraction form
    15,929.94/23,903.20 = 8,905.62/x
  3. Step 3: Cross multiply
    15,929.94x = 23,903.20 × 8,905.62
  4. Step 4: Simplify right side
    15,929.94x = 212,872,815.98
  5. Step 5: Solve for x
    x = 212,872,815.98/15,929.94
  6. Step 6: Final answer
    x = 13,363.06

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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.