Home / 13,231.56-18,259.64-7,263.80

Finding the Fourth Proportional to 13,231.56, 18,259.64 and 7,263.80

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Solution

The fourth proportional to 13,231.56, 18,259.64 and 7,263.80 is: 10,024.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,231.56 : 18,259.64 = 7,263.80 : x
  2. Step 2: Convert to fraction form
    13,231.56/18,259.64 = 7,263.80/x
  3. Step 3: Cross multiply
    13,231.56x = 18,259.64 × 7,263.80
  4. Step 4: Simplify right side
    13,231.56x = 132,634,373.03
  5. Step 5: Solve for x
    x = 132,634,373.03/13,231.56
  6. Step 6: Final answer
    x = 10,024.09

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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.