Home / 12,004.26-16,564.23-7,287.72

Finding the Fourth Proportional to 12,004.26, 16,564.23 and 7,287.72

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Solution

The fourth proportional to 12,004.26, 16,564.23 and 7,287.72 is: 10,056.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,004.26 : 16,564.23 = 7,287.72 : x
  2. Step 2: Convert to fraction form
    12,004.26/16,564.23 = 7,287.72/x
  3. Step 3: Cross multiply
    12,004.26x = 16,564.23 × 7,287.72
  4. Step 4: Simplify right side
    12,004.26x = 120,715,470.26
  5. Step 5: Solve for x
    x = 120,715,470.26/12,004.26
  6. Step 6: Final answer
    x = 10,056.05

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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.