Home / 13,976.70-19,287.54-8,011.88

Finding the Fourth Proportional to 13,976.70, 19,287.54 and 8,011.88

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Solution

The fourth proportional to 13,976.70, 19,287.54 and 8,011.88 is: 11,056.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,976.70 : 19,287.54 = 8,011.88 : x
  2. Step 2: Convert to fraction form
    13,976.70/19,287.54 = 8,011.88/x
  3. Step 3: Cross multiply
    13,976.70x = 19,287.54 × 8,011.88
  4. Step 4: Simplify right side
    13,976.70x = 154,529,455.98
  5. Step 5: Solve for x
    x = 154,529,455.98/13,976.70
  6. Step 6: Final answer
    x = 11,056.22

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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.