Home / 13,259.03-19,889.42-3,899.88

Finding the Fourth Proportional to 13,259.03, 19,889.42 and 3,899.88

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Solution

The fourth proportional to 13,259.03, 19,889.42 and 3,899.88 is: 5,850.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,259.03 : 19,889.42 = 3,899.88 : x
  2. Step 2: Convert to fraction form
    13,259.03/19,889.42 = 3,899.88/x
  3. Step 3: Cross multiply
    13,259.03x = 19,889.42 × 3,899.88
  4. Step 4: Simplify right side
    13,259.03x = 77,566,331.77
  5. Step 5: Solve for x
    x = 77,566,331.77/13,259.03
  6. Step 6: Final answer
    x = 5,850.08

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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.