Home / 17,420.10-26,112.24-6,885.84

Finding the Fourth Proportional to 17,420.10, 26,112.24 and 6,885.84

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Solution

The fourth proportional to 17,420.10, 26,112.24 and 6,885.84 is: 10,321.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,420.10 : 26,112.24 = 6,885.84 : x
  2. Step 2: Convert to fraction form
    17,420.10/26,112.24 = 6,885.84/x
  3. Step 3: Cross multiply
    17,420.10x = 26,112.24 × 6,885.84
  4. Step 4: Simplify right side
    17,420.10x = 179,804,706.68
  5. Step 5: Solve for x
    x = 179,804,706.68/17,420.10
  6. Step 6: Final answer
    x = 10,321.68

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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.