Home / 13,004.55-19,509.66-6,423.03

Finding the Fourth Proportional to 13,004.55, 19,509.66 and 6,423.03

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Solution

The fourth proportional to 13,004.55, 19,509.66 and 6,423.03 is: 9,635.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,004.55 : 19,509.66 = 6,423.03 : x
  2. Step 2: Convert to fraction form
    13,004.55/19,509.66 = 6,423.03/x
  3. Step 3: Cross multiply
    13,004.55x = 19,509.66 × 6,423.03
  4. Step 4: Simplify right side
    13,004.55x = 125,311,131.47
  5. Step 5: Solve for x
    x = 125,311,131.47/13,004.55
  6. Step 6: Final answer
    x = 9,635.95

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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.