Home / 14,215.70-21,323.55-9,787.03

Finding the Fourth Proportional to 14,215.70, 21,323.55 and 9,787.03

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Solution

The fourth proportional to 14,215.70, 21,323.55 and 9,787.03 is: 14,680.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,215.70 : 21,323.55 = 9,787.03 : x
  2. Step 2: Convert to fraction form
    14,215.70/21,323.55 = 9,787.03/x
  3. Step 3: Cross multiply
    14,215.70x = 21,323.55 × 9,787.03
  4. Step 4: Simplify right side
    14,215.70x = 208,694,223.56
  5. Step 5: Solve for x
    x = 208,694,223.56/14,215.70
  6. Step 6: Final answer
    x = 14,680.55

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Similar ratio
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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.