Home / 11,270.81-15,548.48-7,293.20

Finding the Fourth Proportional to 11,270.81, 15,548.48 and 7,293.20

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Solution

The fourth proportional to 11,270.81, 15,548.48 and 7,293.20 is: 10,061.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,270.81 : 15,548.48 = 7,293.20 : x
  2. Step 2: Convert to fraction form
    11,270.81/15,548.48 = 7,293.20/x
  3. Step 3: Cross multiply
    11,270.81x = 15,548.48 × 7,293.20
  4. Step 4: Simplify right side
    11,270.81x = 113,398,174.34
  5. Step 5: Solve for x
    x = 113,398,174.34/11,270.81
  6. Step 6: Final answer
    x = 10,061.23

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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.