Home / 11,270.89-15,548.60-7,293.29

Finding the Fourth Proportional to 11,270.89, 15,548.60 and 7,293.29

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Solution

The fourth proportional to 11,270.89, 15,548.60 and 7,293.29 is: 10,061.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,270.89 : 15,548.60 = 7,293.29 : x
  2. Step 2: Convert to fraction form
    11,270.89/15,548.60 = 7,293.29/x
  3. Step 3: Cross multiply
    11,270.89x = 15,548.60 × 7,293.29
  4. Step 4: Simplify right side
    11,270.89x = 113,400,412.43
  5. Step 5: Solve for x
    x = 113,400,412.43/11,270.89
  6. Step 6: Final answer
    x = 10,061.35

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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.