Home / 15,119.36-20,859.36-9,450.24

Finding the Fourth Proportional to 15,119.36, 20,859.36 and 9,450.24

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Solution

The fourth proportional to 15,119.36, 20,859.36 and 9,450.24 is: 13,037.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,119.36 : 20,859.36 = 9,450.24 : x
  2. Step 2: Convert to fraction form
    15,119.36/20,859.36 = 9,450.24/x
  3. Step 3: Cross multiply
    15,119.36x = 20,859.36 × 9,450.24
  4. Step 4: Simplify right side
    15,119.36x = 197,125,958.25
  5. Step 5: Solve for x
    x = 197,125,958.25/15,119.36
  6. Step 6: Final answer
    x = 13,037.98

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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.