Home / 19,629.48-29,462.76-7,161.56

Finding the Fourth Proportional to 19,629.48, 29,462.76 and 7,161.56

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Solution

The fourth proportional to 19,629.48, 29,462.76 and 7,161.56 is: 10,749.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,629.48 : 29,462.76 = 7,161.56 : x
  2. Step 2: Convert to fraction form
    19,629.48/29,462.76 = 7,161.56/x
  3. Step 3: Cross multiply
    19,629.48x = 29,462.76 × 7,161.56
  4. Step 4: Simplify right side
    19,629.48x = 210,999,323.51
  5. Step 5: Solve for x
    x = 210,999,323.51/19,629.48
  6. Step 6: Final answer
    x = 10,749.10

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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.