Home / 14,914.62-22,460.72-12,990.06

Finding the Fourth Proportional to 14,914.62, 22,460.72 and 12,990.06

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Solution

The fourth proportional to 14,914.62, 22,460.72 and 12,990.06 is: 19,562.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,914.62 : 22,460.72 = 12,990.06 : x
  2. Step 2: Convert to fraction form
    14,914.62/22,460.72 = 12,990.06/x
  3. Step 3: Cross multiply
    14,914.62x = 22,460.72 × 12,990.06
  4. Step 4: Simplify right side
    14,914.62x = 291,766,035.49
  5. Step 5: Solve for x
    x = 291,766,035.49/14,914.62
  6. Step 6: Final answer
    x = 19,562.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.