Home / 11,273.63-15,554.81-7,289.95

Finding the Fourth Proportional to 11,273.63, 15,554.81 and 7,289.95

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Solution

The fourth proportional to 11,273.63, 15,554.81 and 7,289.95 is: 10,058.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,273.63 : 15,554.81 = 7,289.95 : x
  2. Step 2: Convert to fraction form
    11,273.63/15,554.81 = 7,289.95/x
  3. Step 3: Cross multiply
    11,273.63x = 15,554.81 × 7,289.95
  4. Step 4: Simplify right side
    11,273.63x = 113,393,787.16
  5. Step 5: Solve for x
    x = 113,393,787.16/11,273.63
  6. Step 6: Final answer
    x = 10,058.32

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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.