Home / 9,840.36-13,579.26-5,363.82

Finding the Fourth Proportional to 9,840.36, 13,579.26 and 5,363.82

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Solution

The fourth proportional to 9,840.36, 13,579.26 and 5,363.82 is: 7,401.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,840.36 : 13,579.26 = 5,363.82 : x
  2. Step 2: Convert to fraction form
    9,840.36/13,579.26 = 5,363.82/x
  3. Step 3: Cross multiply
    9,840.36x = 13,579.26 × 5,363.82
  4. Step 4: Simplify right side
    9,840.36x = 72,836,706.37
  5. Step 5: Solve for x
    x = 72,836,706.37/9,840.36
  6. Step 6: Final answer
    x = 7,401.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.