Home / 11,211.02-16,816.80-6,268.40

Finding the Fourth Proportional to 11,211.02, 16,816.80 and 6,268.40

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Solution

The fourth proportional to 11,211.02, 16,816.80 and 6,268.40 is: 9,402.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,211.02 : 16,816.80 = 6,268.40 : x
  2. Step 2: Convert to fraction form
    11,211.02/16,816.80 = 6,268.40/x
  3. Step 3: Cross multiply
    11,211.02x = 16,816.80 × 6,268.40
  4. Step 4: Simplify right side
    11,211.02x = 105,414,429.12
  5. Step 5: Solve for x
    x = 105,414,429.12/11,211.02
  6. Step 6: Final answer
    x = 9,402.75

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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.