Home / 10,821.36-14,933.48-6,106.64

Finding the Fourth Proportional to 10,821.36, 14,933.48 and 6,106.64

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Solution

The fourth proportional to 10,821.36, 14,933.48 and 6,106.64 is: 8,427.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,821.36 : 14,933.48 = 6,106.64 : x
  2. Step 2: Convert to fraction form
    10,821.36/14,933.48 = 6,106.64/x
  3. Step 3: Cross multiply
    10,821.36x = 14,933.48 × 6,106.64
  4. Step 4: Simplify right side
    10,821.36x = 91,193,386.31
  5. Step 5: Solve for x
    x = 91,193,386.31/10,821.36
  6. Step 6: Final answer
    x = 8,427.17

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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.