Home / 11,509.36-17,261.94-3,187.29

Finding the Fourth Proportional to 11,509.36, 17,261.94 and 3,187.29

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Solution

The fourth proportional to 11,509.36, 17,261.94 and 3,187.29 is: 4,780.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,509.36 : 17,261.94 = 3,187.29 : x
  2. Step 2: Convert to fraction form
    11,509.36/17,261.94 = 3,187.29/x
  3. Step 3: Cross multiply
    11,509.36x = 17,261.94 × 3,187.29
  4. Step 4: Simplify right side
    11,509.36x = 55,018,808.74
  5. Step 5: Solve for x
    x = 55,018,808.74/11,509.36
  6. Step 6: Final answer
    x = 4,780.35

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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.