Home / 11,055.40-16,583.10-6,670.60

Finding the Fourth Proportional to 11,055.40, 16,583.10 and 6,670.60

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Solution

The fourth proportional to 11,055.40, 16,583.10 and 6,670.60 is: 10,005.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,055.40 : 16,583.10 = 6,670.60 : x
  2. Step 2: Convert to fraction form
    11,055.40/16,583.10 = 6,670.60/x
  3. Step 3: Cross multiply
    11,055.40x = 16,583.10 × 6,670.60
  4. Step 4: Simplify right side
    11,055.40x = 110,619,226.86
  5. Step 5: Solve for x
    x = 110,619,226.86/11,055.40
  6. Step 6: Final answer
    x = 10,005.90

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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.