Home / 13,345.23-20,003.92-5,019.51

Finding the Fourth Proportional to 13,345.23, 20,003.92 and 5,019.51

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Solution

The fourth proportional to 13,345.23, 20,003.92 and 5,019.51 is: 7,524.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,345.23 : 20,003.92 = 5,019.51 : x
  2. Step 2: Convert to fraction form
    13,345.23/20,003.92 = 5,019.51/x
  3. Step 3: Cross multiply
    13,345.23x = 20,003.92 × 5,019.51
  4. Step 4: Simplify right side
    13,345.23x = 100,409,876.48
  5. Step 5: Solve for x
    x = 100,409,876.48/13,345.23
  6. Step 6: Final answer
    x = 7,524.03

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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.