Home / 14,063.79-21,095.70-7,138.83

Finding the Fourth Proportional to 14,063.79, 21,095.70 and 7,138.83

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Solution

The fourth proportional to 14,063.79, 21,095.70 and 7,138.83 is: 10,708.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,063.79 : 21,095.70 = 7,138.83 : x
  2. Step 2: Convert to fraction form
    14,063.79/21,095.70 = 7,138.83/x
  3. Step 3: Cross multiply
    14,063.79x = 21,095.70 × 7,138.83
  4. Step 4: Simplify right side
    14,063.79x = 150,598,616.03
  5. Step 5: Solve for x
    x = 150,598,616.03/14,063.79
  6. Step 6: Final answer
    x = 10,708.25

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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.