Home / 17,623.60-26,435.40-5,311.60

Finding the Fourth Proportional to 17,623.60, 26,435.40 and 5,311.60

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Solution

The fourth proportional to 17,623.60, 26,435.40 and 5,311.60 is: 7,967.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,623.60 : 26,435.40 = 5,311.60 : x
  2. Step 2: Convert to fraction form
    17,623.60/26,435.40 = 5,311.60/x
  3. Step 3: Cross multiply
    17,623.60x = 26,435.40 × 5,311.60
  4. Step 4: Simplify right side
    17,623.60x = 140,414,270.64
  5. Step 5: Solve for x
    x = 140,414,270.64/17,623.60
  6. Step 6: Final answer
    x = 7,967.40

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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.