Home / 19,313.10-28,964.07-8,777.25

Finding the Fourth Proportional to 19,313.10, 28,964.07 and 8,777.25

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Solution

The fourth proportional to 19,313.10, 28,964.07 and 8,777.25 is: 13,163.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,313.10 : 28,964.07 = 8,777.25 : x
  2. Step 2: Convert to fraction form
    19,313.10/28,964.07 = 8,777.25/x
  3. Step 3: Cross multiply
    19,313.10x = 28,964.07 × 8,777.25
  4. Step 4: Simplify right side
    19,313.10x = 254,224,883.41
  5. Step 5: Solve for x
    x = 254,224,883.41/19,313.10
  6. Step 6: Final answer
    x = 13,163.34

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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.