Home / 12,749.28-19,110.26-6,166.41

Finding the Fourth Proportional to 12,749.28, 19,110.26 and 6,166.41

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Solution

The fourth proportional to 12,749.28, 19,110.26 and 6,166.41 is: 9,243.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,749.28 : 19,110.26 = 6,166.41 : x
  2. Step 2: Convert to fraction form
    12,749.28/19,110.26 = 6,166.41/x
  3. Step 3: Cross multiply
    12,749.28x = 19,110.26 × 6,166.41
  4. Step 4: Simplify right side
    12,749.28x = 117,841,667.53
  5. Step 5: Solve for x
    x = 117,841,667.53/12,749.28
  6. Step 6: Final answer
    x = 9,243.01

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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.