Home / 13,918.46-19,211.10-8,610.18

Finding the Fourth Proportional to 13,918.46, 19,211.10 and 8,610.18

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Solution

The fourth proportional to 13,918.46, 19,211.10 and 8,610.18 is: 11,884.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,918.46 : 19,211.10 = 8,610.18 : x
  2. Step 2: Convert to fraction form
    13,918.46/19,211.10 = 8,610.18/x
  3. Step 3: Cross multiply
    13,918.46x = 19,211.10 × 8,610.18
  4. Step 4: Simplify right side
    13,918.46x = 165,411,029.00
  5. Step 5: Solve for x
    x = 165,411,029.00/13,918.46
  6. Step 6: Final answer
    x = 11,884.29

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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.