Home / 12,259.44-18,376.40-5,680.22

Finding the Fourth Proportional to 12,259.44, 18,376.40 and 5,680.22

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Solution

The fourth proportional to 12,259.44, 18,376.40 and 5,680.22 is: 8,514.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,259.44 : 18,376.40 = 5,680.22 : x
  2. Step 2: Convert to fraction form
    12,259.44/18,376.40 = 5,680.22/x
  3. Step 3: Cross multiply
    12,259.44x = 18,376.40 × 5,680.22
  4. Step 4: Simplify right side
    12,259.44x = 104,381,874.52
  5. Step 5: Solve for x
    x = 104,381,874.52/12,259.44
  6. Step 6: Final answer
    x = 8,514.41

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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.