Home / 11,113.74-16,670.21-3,322.35

Finding the Fourth Proportional to 11,113.74, 16,670.21 and 3,322.35

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Solution

The fourth proportional to 11,113.74, 16,670.21 and 3,322.35 is: 4,983.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,113.74 : 16,670.21 = 3,322.35 : x
  2. Step 2: Convert to fraction form
    11,113.74/16,670.21 = 3,322.35/x
  3. Step 3: Cross multiply
    11,113.74x = 16,670.21 × 3,322.35
  4. Step 4: Simplify right side
    11,113.74x = 55,384,255.58
  5. Step 5: Solve for x
    x = 55,384,255.58/11,113.74
  6. Step 6: Final answer
    x = 4,983.40

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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.