Home / 10,018.54-13,829.81-6,243.56

Finding the Fourth Proportional to 10,018.54, 13,829.81 and 6,243.56

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Solution

The fourth proportional to 10,018.54, 13,829.81 and 6,243.56 is: 8,618.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,018.54 : 13,829.81 = 6,243.56 : x
  2. Step 2: Convert to fraction form
    10,018.54/13,829.81 = 6,243.56/x
  3. Step 3: Cross multiply
    10,018.54x = 13,829.81 × 6,243.56
  4. Step 4: Simplify right side
    10,018.54x = 86,347,213.80
  5. Step 5: Solve for x
    x = 86,347,213.80/10,018.54
  6. Step 6: Final answer
    x = 8,618.75

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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.