Home / 12,914.12-19,371.08-8,551.10

Finding the Fourth Proportional to 12,914.12, 19,371.08 and 8,551.10

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Solution

The fourth proportional to 12,914.12, 19,371.08 and 8,551.10 is: 12,826.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,914.12 : 19,371.08 = 8,551.10 : x
  2. Step 2: Convert to fraction form
    12,914.12/19,371.08 = 8,551.10/x
  3. Step 3: Cross multiply
    12,914.12x = 19,371.08 × 8,551.10
  4. Step 4: Simplify right side
    12,914.12x = 165,643,945.33
  5. Step 5: Solve for x
    x = 165,643,945.33/12,914.12
  6. Step 6: Final answer
    x = 12,826.58

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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.