Home / 11,258.28-16,888.41-2,938.23

Finding the Fourth Proportional to 11,258.28, 16,888.41 and 2,938.23

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Solution

The fourth proportional to 11,258.28, 16,888.41 and 2,938.23 is: 4,407.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,258.28 : 16,888.41 = 2,938.23 : x
  2. Step 2: Convert to fraction form
    11,258.28/16,888.41 = 2,938.23/x
  3. Step 3: Cross multiply
    11,258.28x = 16,888.41 × 2,938.23
  4. Step 4: Simplify right side
    11,258.28x = 49,622,032.91
  5. Step 5: Solve for x
    x = 49,622,032.91/11,258.28
  6. Step 6: Final answer
    x = 4,407.60

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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.