Home / 69,408.32-104,111.55-16,818.26

Finding the Fourth Proportional to 69,408.32, 104,111.55 and 16,818.26

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Solution

The fourth proportional to 69,408.32, 104,111.55 and 16,818.26 is: 25,227.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,408.32 : 104,111.55 = 16,818.26 : x
  2. Step 2: Convert to fraction form
    69,408.32/104,111.55 = 16,818.26/x
  3. Step 3: Cross multiply
    69,408.32x = 104,111.55 × 16,818.26
  4. Step 4: Simplify right side
    69,408.32x = 1,750,974,596.35
  5. Step 5: Solve for x
    x = 1,750,974,596.35/69,408.32
  6. Step 6: Final answer
    x = 25,227.16

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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.