Home / 11,090.16-15,304.70-6,614.78

Finding the Fourth Proportional to 11,090.16, 15,304.70 and 6,614.78

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Solution

The fourth proportional to 11,090.16, 15,304.70 and 6,614.78 is: 9,128.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,090.16 : 15,304.70 = 6,614.78 : x
  2. Step 2: Convert to fraction form
    11,090.16/15,304.70 = 6,614.78/x
  3. Step 3: Cross multiply
    11,090.16x = 15,304.70 × 6,614.78
  4. Step 4: Simplify right side
    11,090.16x = 101,237,223.47
  5. Step 5: Solve for x
    x = 101,237,223.47/11,090.16
  6. Step 6: Final answer
    x = 9,128.56

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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.