Home / 22,006.76-30,374.62-12,580.80

Finding the Fourth Proportional to 22,006.76, 30,374.62 and 12,580.80

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Solution

The fourth proportional to 22,006.76, 30,374.62 and 12,580.80 is: 17,364.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,006.76 : 30,374.62 = 12,580.80 : x
  2. Step 2: Convert to fraction form
    22,006.76/30,374.62 = 12,580.80/x
  3. Step 3: Cross multiply
    22,006.76x = 30,374.62 × 12,580.80
  4. Step 4: Simplify right side
    22,006.76x = 382,137,019.30
  5. Step 5: Solve for x
    x = 382,137,019.30/22,006.76
  6. Step 6: Final answer
    x = 17,364.53

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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.