Home / 11,505.54-17,258.31-3,715.50

Finding the Fourth Proportional to 11,505.54, 17,258.31 and 3,715.50

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Solution

The fourth proportional to 11,505.54, 17,258.31 and 3,715.50 is: 5,573.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,505.54 : 17,258.31 = 3,715.50 : x
  2. Step 2: Convert to fraction form
    11,505.54/17,258.31 = 3,715.50/x
  3. Step 3: Cross multiply
    11,505.54x = 17,258.31 × 3,715.50
  4. Step 4: Simplify right side
    11,505.54x = 64,123,250.81
  5. Step 5: Solve for x
    x = 64,123,250.81/11,505.54
  6. Step 6: Final answer
    x = 5,573.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.