Home / 13,313.56-19,976.01-4,997.56

Finding the Fourth Proportional to 13,313.56, 19,976.01 and 4,997.56

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Solution

The fourth proportional to 13,313.56, 19,976.01 and 4,997.56 is: 7,498.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,313.56 : 19,976.01 = 4,997.56 : x
  2. Step 2: Convert to fraction form
    13,313.56/19,976.01 = 4,997.56/x
  3. Step 3: Cross multiply
    13,313.56x = 19,976.01 × 4,997.56
  4. Step 4: Simplify right side
    13,313.56x = 99,831,308.54
  5. Step 5: Solve for x
    x = 99,831,308.54/13,313.56
  6. Step 6: Final answer
    x = 7,498.47

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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.