Home / 17,490.40-26,218.80-5,797.60

Finding the Fourth Proportional to 17,490.40, 26,218.80 and 5,797.60

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Solution

The fourth proportional to 17,490.40, 26,218.80 and 5,797.60 is: 8,690.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,490.40 : 26,218.80 = 5,797.60 : x
  2. Step 2: Convert to fraction form
    17,490.40/26,218.80 = 5,797.60/x
  3. Step 3: Cross multiply
    17,490.40x = 26,218.80 × 5,797.60
  4. Step 4: Simplify right side
    17,490.40x = 152,006,114.88
  5. Step 5: Solve for x
    x = 152,006,114.88/17,490.40
  6. Step 6: Final answer
    x = 8,690.83

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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.