Home / 13,918.22-19,210.83-8,610.02

Finding the Fourth Proportional to 13,918.22, 19,210.83 and 8,610.02

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Solution

The fourth proportional to 13,918.22, 19,210.83 and 8,610.02 is: 11,884.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,918.22 : 19,210.83 = 8,610.02 : x
  2. Step 2: Convert to fraction form
    13,918.22/19,210.83 = 8,610.02/x
  3. Step 3: Cross multiply
    13,918.22x = 19,210.83 × 8,610.02
  4. Step 4: Simplify right side
    13,918.22x = 165,405,630.52
  5. Step 5: Solve for x
    x = 165,405,630.52/13,918.22
  6. Step 6: Final answer
    x = 11,884.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.