Home / 10,399.36-14,352.11-5,684.35

Finding the Fourth Proportional to 10,399.36, 14,352.11 and 5,684.35

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Solution

The fourth proportional to 10,399.36, 14,352.11 and 5,684.35 is: 7,844.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,399.36 : 14,352.11 = 5,684.35 : x
  2. Step 2: Convert to fraction form
    10,399.36/14,352.11 = 5,684.35/x
  3. Step 3: Cross multiply
    10,399.36x = 14,352.11 × 5,684.35
  4. Step 4: Simplify right side
    10,399.36x = 81,582,388.06
  5. Step 5: Solve for x
    x = 81,582,388.06/10,399.36
  6. Step 6: Final answer
    x = 7,844.94

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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.