Home / 10,928.14-15,080.38-6,453.33

Finding the Fourth Proportional to 10,928.14, 15,080.38 and 6,453.33

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Solution

The fourth proportional to 10,928.14, 15,080.38 and 6,453.33 is: 8,905.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,928.14 : 15,080.38 = 6,453.33 : x
  2. Step 2: Convert to fraction form
    10,928.14/15,080.38 = 6,453.33/x
  3. Step 3: Cross multiply
    10,928.14x = 15,080.38 × 6,453.33
  4. Step 4: Simplify right side
    10,928.14x = 97,318,593.26
  5. Step 5: Solve for x
    x = 97,318,593.26/10,928.14
  6. Step 6: Final answer
    x = 8,905.32

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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.