Home / 22,102.50-30,501.45-12,166.50

Finding the Fourth Proportional to 22,102.50, 30,501.45 and 12,166.50

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Solution

The fourth proportional to 22,102.50, 30,501.45 and 12,166.50 is: 16,789.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,102.50 : 30,501.45 = 12,166.50 : x
  2. Step 2: Convert to fraction form
    22,102.50/30,501.45 = 12,166.50/x
  3. Step 3: Cross multiply
    22,102.50x = 30,501.45 × 12,166.50
  4. Step 4: Simplify right side
    22,102.50x = 371,095,891.43
  5. Step 5: Solve for x
    x = 371,095,891.43/22,102.50
  6. Step 6: Final answer
    x = 16,789.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.