Home / 13,231.56-18,259.48-7,263.34

Finding the Fourth Proportional to 13,231.56, 18,259.48 and 7,263.34

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Solution

The fourth proportional to 13,231.56, 18,259.48 and 7,263.34 is: 10,023.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,231.56 : 18,259.48 = 7,263.34 : x
  2. Step 2: Convert to fraction form
    13,231.56/18,259.48 = 7,263.34/x
  3. Step 3: Cross multiply
    13,231.56x = 18,259.48 × 7,263.34
  4. Step 4: Simplify right side
    13,231.56x = 132,624,811.46
  5. Step 5: Solve for x
    x = 132,624,811.46/13,231.56
  6. Step 6: Final answer
    x = 10,023.37

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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.