Home / 13,231.28-18,259.38-7,263.50

Finding the Fourth Proportional to 13,231.28, 18,259.38 and 7,263.50

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Solution

The fourth proportional to 13,231.28, 18,259.38 and 7,263.50 is: 10,023.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,231.28 : 18,259.38 = 7,263.50 : x
  2. Step 2: Convert to fraction form
    13,231.28/18,259.38 = 7,263.50/x
  3. Step 3: Cross multiply
    13,231.28x = 18,259.38 × 7,263.50
  4. Step 4: Simplify right side
    13,231.28x = 132,627,006.63
  5. Step 5: Solve for x
    x = 132,627,006.63/13,231.28
  6. Step 6: Final answer
    x = 10,023.75

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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.