Home / 10,816.32-14,920.44-6,339.15

Finding the Fourth Proportional to 10,816.32, 14,920.44 and 6,339.15

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Solution

The fourth proportional to 10,816.32, 14,920.44 and 6,339.15 is: 8,744.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,816.32 : 14,920.44 = 6,339.15 : x
  2. Step 2: Convert to fraction form
    10,816.32/14,920.44 = 6,339.15/x
  3. Step 3: Cross multiply
    10,816.32x = 14,920.44 × 6,339.15
  4. Step 4: Simplify right side
    10,816.32x = 94,582,907.23
  5. Step 5: Solve for x
    x = 94,582,907.23/10,816.32
  6. Step 6: Final answer
    x = 8,744.46

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