Home / 11,424.85-17,130.36-7,471.34

Finding the Fourth Proportional to 11,424.85, 17,130.36 and 7,471.34

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Solution

The fourth proportional to 11,424.85, 17,130.36 and 7,471.34 is: 11,202.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,424.85 : 17,130.36 = 7,471.34 : x
  2. Step 2: Convert to fraction form
    11,424.85/17,130.36 = 7,471.34/x
  3. Step 3: Cross multiply
    11,424.85x = 17,130.36 × 7,471.34
  4. Step 4: Simplify right side
    11,424.85x = 127,986,729.47
  5. Step 5: Solve for x
    x = 127,986,729.47/11,424.85
  6. Step 6: Final answer
    x = 11,202.48

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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.