Home / 13,509.24-20,263.86-3,648.50

Finding the Fourth Proportional to 13,509.24, 20,263.86 and 3,648.50

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Solution

The fourth proportional to 13,509.24, 20,263.86 and 3,648.50 is: 5,472.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,509.24 : 20,263.86 = 3,648.50 : x
  2. Step 2: Convert to fraction form
    13,509.24/20,263.86 = 3,648.50/x
  3. Step 3: Cross multiply
    13,509.24x = 20,263.86 × 3,648.50
  4. Step 4: Simplify right side
    13,509.24x = 73,932,693.21
  5. Step 5: Solve for x
    x = 73,932,693.21/13,509.24
  6. Step 6: Final answer
    x = 5,472.75

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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.