Home / 13,004.12-19,509.81-4,239.56

Finding the Fourth Proportional to 13,004.12, 19,509.81 and 4,239.56

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Solution

The fourth proportional to 13,004.12, 19,509.81 and 4,239.56 is: 6,360.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,004.12 : 19,509.81 = 4,239.56 : x
  2. Step 2: Convert to fraction form
    13,004.12/19,509.81 = 4,239.56/x
  3. Step 3: Cross multiply
    13,004.12x = 19,509.81 × 4,239.56
  4. Step 4: Simplify right side
    13,004.12x = 82,713,010.08
  5. Step 5: Solve for x
    x = 82,713,010.08/13,004.12
  6. Step 6: Final answer
    x = 6,360.52

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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.