Home / 17,787.84-26,682.72-7,927.80

Finding the Fourth Proportional to 17,787.84, 26,682.72 and 7,927.80

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Solution

The fourth proportional to 17,787.84, 26,682.72 and 7,927.80 is: 11,892.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,787.84 : 26,682.72 = 7,927.80 : x
  2. Step 2: Convert to fraction form
    17,787.84/26,682.72 = 7,927.80/x
  3. Step 3: Cross multiply
    17,787.84x = 26,682.72 × 7,927.80
  4. Step 4: Simplify right side
    17,787.84x = 211,535,267.62
  5. Step 5: Solve for x
    x = 211,535,267.62/17,787.84
  6. Step 6: Final answer
    x = 11,892.13

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1.5x scale

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.