Home / 13,120.02-19,659.37-8,182.26

Finding the Fourth Proportional to 13,120.02, 19,659.37 and 8,182.26

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Solution

The fourth proportional to 13,120.02, 19,659.37 and 8,182.26 is: 12,260.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,120.02 : 19,659.37 = 8,182.26 : x
  2. Step 2: Convert to fraction form
    13,120.02/19,659.37 = 8,182.26/x
  3. Step 3: Cross multiply
    13,120.02x = 19,659.37 × 8,182.26
  4. Step 4: Simplify right side
    13,120.02x = 160,858,056.32
  5. Step 5: Solve for x
    x = 160,858,056.32/13,120.02
  6. Step 6: Final answer
    x = 12,260.50

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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.