Home / 12,497.70-18,724.56-11,141.76

Finding the Fourth Proportional to 12,497.70, 18,724.56 and 11,141.76

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Solution

The fourth proportional to 12,497.70, 18,724.56 and 11,141.76 is: 16,693.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,497.70 : 18,724.56 = 11,141.76 : x
  2. Step 2: Convert to fraction form
    12,497.70/18,724.56 = 11,141.76/x
  3. Step 3: Cross multiply
    12,497.70x = 18,724.56 × 11,141.76
  4. Step 4: Simplify right side
    12,497.70x = 208,624,553.63
  5. Step 5: Solve for x
    x = 208,624,553.63/12,497.70
  6. Step 6: Final answer
    x = 16,693.04

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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.