Home / 13,164.07-19,745.70-4,399.06

Finding the Fourth Proportional to 13,164.07, 19,745.70 and 4,399.06

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Solution

The fourth proportional to 13,164.07, 19,745.70 and 4,399.06 is: 6,598.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,164.07 : 19,745.70 = 4,399.06 : x
  2. Step 2: Convert to fraction form
    13,164.07/19,745.70 = 4,399.06/x
  3. Step 3: Cross multiply
    13,164.07x = 19,745.70 × 4,399.06
  4. Step 4: Simplify right side
    13,164.07x = 86,862,519.04
  5. Step 5: Solve for x
    x = 86,862,519.04/13,164.07
  6. Step 6: Final answer
    x = 6,598.45

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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.