Home / 10,025.16-13,825.26-7,478.54

Finding the Fourth Proportional to 10,025.16, 13,825.26 and 7,478.54

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Solution

The fourth proportional to 10,025.16, 13,825.26 and 7,478.54 is: 10,313.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,025.16 : 13,825.26 = 7,478.54 : x
  2. Step 2: Convert to fraction form
    10,025.16/13,825.26 = 7,478.54/x
  3. Step 3: Cross multiply
    10,025.16x = 13,825.26 × 7,478.54
  4. Step 4: Simplify right side
    10,025.16x = 103,392,794.48
  5. Step 5: Solve for x
    x = 103,392,794.48/10,025.16
  6. Step 6: Final answer
    x = 10,313.33

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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.