Home / 11,057.49-15,258.78-6,277.37

Finding the Fourth Proportional to 11,057.49, 15,258.78 and 6,277.37

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Solution

The fourth proportional to 11,057.49, 15,258.78 and 6,277.37 is: 8,662.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,057.49 : 15,258.78 = 6,277.37 : x
  2. Step 2: Convert to fraction form
    11,057.49/15,258.78 = 6,277.37/x
  3. Step 3: Cross multiply
    11,057.49x = 15,258.78 × 6,277.37
  4. Step 4: Simplify right side
    11,057.49x = 95,784,931.51
  5. Step 5: Solve for x
    x = 95,784,931.51/11,057.49
  6. Step 6: Final answer
    x = 8,662.45

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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.