Home / 13,999.83-19,314.23-9,749.76

Finding the Fourth Proportional to 13,999.83, 19,314.23 and 9,749.76

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Solution

The fourth proportional to 13,999.83, 19,314.23 and 9,749.76 is: 13,450.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,999.83 : 19,314.23 = 9,749.76 : x
  2. Step 2: Convert to fraction form
    13,999.83/19,314.23 = 9,749.76/x
  3. Step 3: Cross multiply
    13,999.83x = 19,314.23 × 9,749.76
  4. Step 4: Simplify right side
    13,999.83x = 188,309,058.34
  5. Step 5: Solve for x
    x = 188,309,058.34/13,999.83
  6. Step 6: Final answer
    x = 13,450.81

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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.