Home / 13,109.22-19,659.63-4,342.26

Finding the Fourth Proportional to 13,109.22, 19,659.63 and 4,342.26

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Solution

The fourth proportional to 13,109.22, 19,659.63 and 4,342.26 is: 6,512.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,109.22 : 19,659.63 = 4,342.26 : x
  2. Step 2: Convert to fraction form
    13,109.22/19,659.63 = 4,342.26/x
  3. Step 3: Cross multiply
    13,109.22x = 19,659.63 × 4,342.26
  4. Step 4: Simplify right side
    13,109.22x = 85,367,224.96
  5. Step 5: Solve for x
    x = 85,367,224.96/13,109.22
  6. Step 6: Final answer
    x = 6,512.00

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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.