Home / 17,340.40-26,010.60-7,490.80

Finding the Fourth Proportional to 17,340.40, 26,010.60 and 7,490.80

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Solution

The fourth proportional to 17,340.40, 26,010.60 and 7,490.80 is: 11,236.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,340.40 : 26,010.60 = 7,490.80 : x
  2. Step 2: Convert to fraction form
    17,340.40/26,010.60 = 7,490.80/x
  3. Step 3: Cross multiply
    17,340.40x = 26,010.60 × 7,490.80
  4. Step 4: Simplify right side
    17,340.40x = 194,840,202.48
  5. Step 5: Solve for x
    x = 194,840,202.48/17,340.40
  6. Step 6: Final answer
    x = 11,236.20

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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.