Home / 12,684.18-19,029.36-8,943.26

Finding the Fourth Proportional to 12,684.18, 19,029.36 and 8,943.26

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Solution

The fourth proportional to 12,684.18, 19,029.36 and 8,943.26 is: 13,417.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,684.18 : 19,029.36 = 8,943.26 : x
  2. Step 2: Convert to fraction form
    12,684.18/19,029.36 = 8,943.26/x
  3. Step 3: Cross multiply
    12,684.18x = 19,029.36 × 8,943.26
  4. Step 4: Simplify right side
    12,684.18x = 170,184,559.54
  5. Step 5: Solve for x
    x = 170,184,559.54/12,684.18
  6. Step 6: Final answer
    x = 13,417.07

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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.