Home / 13,231.36-18,259.21-7,263.13

Finding the Fourth Proportional to 13,231.36, 18,259.21 and 7,263.13

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Solution

The fourth proportional to 13,231.36, 18,259.21 and 7,263.13 is: 10,023.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,231.36 : 18,259.21 = 7,263.13 : x
  2. Step 2: Convert to fraction form
    13,231.36/18,259.21 = 7,263.13/x
  3. Step 3: Cross multiply
    13,231.36x = 18,259.21 × 7,263.13
  4. Step 4: Simplify right side
    13,231.36x = 132,619,015.93
  5. Step 5: Solve for x
    x = 132,619,015.93/13,231.36
  6. Step 6: Final answer
    x = 10,023.08

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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.