Home / 17,905.70-26,858.81-6,219.20

Finding the Fourth Proportional to 17,905.70, 26,858.81 and 6,219.20

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Solution

The fourth proportional to 17,905.70, 26,858.81 and 6,219.20 is: 9,328.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,905.70 : 26,858.81 = 6,219.20 : x
  2. Step 2: Convert to fraction form
    17,905.70/26,858.81 = 6,219.20/x
  3. Step 3: Cross multiply
    17,905.70x = 26,858.81 × 6,219.20
  4. Step 4: Simplify right side
    17,905.70x = 167,040,192.41
  5. Step 5: Solve for x
    x = 167,040,192.41/17,905.70
  6. Step 6: Final answer
    x = 9,328.89

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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.