Home / 13,509.03-20,263.56-5,723.31

Finding the Fourth Proportional to 13,509.03, 20,263.56 and 5,723.31

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Solution

The fourth proportional to 13,509.03, 20,263.56 and 5,723.31 is: 8,584.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,509.03 : 20,263.56 = 5,723.31 : x
  2. Step 2: Convert to fraction form
    13,509.03/20,263.56 = 5,723.31/x
  3. Step 3: Cross multiply
    13,509.03x = 20,263.56 × 5,723.31
  4. Step 4: Simplify right side
    13,509.03x = 115,974,635.58
  5. Step 5: Solve for x
    x = 115,974,635.58/13,509.03
  6. Step 6: Final answer
    x = 8,584.97

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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.