Home / 10,018.45-13,825.05-5,541.85

Finding the Fourth Proportional to 10,018.45, 13,825.05 and 5,541.85

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Solution

The fourth proportional to 10,018.45, 13,825.05 and 5,541.85 is: 7,647.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,018.45 : 13,825.05 = 5,541.85 : x
  2. Step 2: Convert to fraction form
    10,018.45/13,825.05 = 5,541.85/x
  3. Step 3: Cross multiply
    10,018.45x = 13,825.05 × 5,541.85
  4. Step 4: Simplify right side
    10,018.45x = 76,616,353.34
  5. Step 5: Solve for x
    x = 76,616,353.34/10,018.45
  6. Step 6: Final answer
    x = 7,647.53

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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.