Home / 12,944.70-19,416.96-10,631.34

Finding the Fourth Proportional to 12,944.70, 19,416.96 and 10,631.34

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Solution

The fourth proportional to 12,944.70, 19,416.96 and 10,631.34 is: 15,946.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,944.70 : 19,416.96 = 10,631.34 : x
  2. Step 2: Convert to fraction form
    12,944.70/19,416.96 = 10,631.34/x
  3. Step 3: Cross multiply
    12,944.70x = 19,416.96 × 10,631.34
  4. Step 4: Simplify right side
    12,944.70x = 206,428,303.53
  5. Step 5: Solve for x
    x = 206,428,303.53/12,944.70
  6. Step 6: Final answer
    x = 15,946.94

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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.