Home / 23,142.45-34,705.30-8,347.39

Finding the Fourth Proportional to 23,142.45, 34,705.30 and 8,347.39

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Solution

The fourth proportional to 23,142.45, 34,705.30 and 8,347.39 is: 12,518.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,142.45 : 34,705.30 = 8,347.39 : x
  2. Step 2: Convert to fraction form
    23,142.45/34,705.30 = 8,347.39/x
  3. Step 3: Cross multiply
    23,142.45x = 34,705.30 × 8,347.39
  4. Step 4: Simplify right side
    23,142.45x = 289,698,632.43
  5. Step 5: Solve for x
    x = 289,698,632.43/23,142.45
  6. Step 6: Final answer
    x = 12,518.07

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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.