Home / 15,389.62-23,090.82-7,380.34

Finding the Fourth Proportional to 15,389.62, 23,090.82 and 7,380.34

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Solution

The fourth proportional to 15,389.62, 23,090.82 and 7,380.34 is: 11,073.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,389.62 : 23,090.82 = 7,380.34 : x
  2. Step 2: Convert to fraction form
    15,389.62/23,090.82 = 7,380.34/x
  3. Step 3: Cross multiply
    15,389.62x = 23,090.82 × 7,380.34
  4. Step 4: Simplify right side
    15,389.62x = 170,418,102.48
  5. Step 5: Solve for x
    x = 170,418,102.48/15,389.62
  6. Step 6: Final answer
    x = 11,073.57

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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.