Home / 10,806.32-14,914.86-6,825.44

Finding the Fourth Proportional to 10,806.32, 14,914.86 and 6,825.44

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Solution

The fourth proportional to 10,806.32, 14,914.86 and 6,825.44 is: 9,420.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,806.32 : 14,914.86 = 6,825.44 : x
  2. Step 2: Convert to fraction form
    10,806.32/14,914.86 = 6,825.44/x
  3. Step 3: Cross multiply
    10,806.32x = 14,914.86 × 6,825.44
  4. Step 4: Simplify right side
    10,806.32x = 101,800,482.04
  5. Step 5: Solve for x
    x = 101,800,482.04/10,806.32
  6. Step 6: Final answer
    x = 9,420.46

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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.