Home / 12,054.36-18,058.01-8,305.48

Finding the Fourth Proportional to 12,054.36, 18,058.01 and 8,305.48

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Solution

The fourth proportional to 12,054.36, 18,058.01 and 8,305.48 is: 12,442.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,054.36 : 18,058.01 = 8,305.48 : x
  2. Step 2: Convert to fraction form
    12,054.36/18,058.01 = 8,305.48/x
  3. Step 3: Cross multiply
    12,054.36x = 18,058.01 × 8,305.48
  4. Step 4: Simplify right side
    12,054.36x = 149,980,421.94
  5. Step 5: Solve for x
    x = 149,980,421.94/12,054.36
  6. Step 6: Final answer
    x = 12,442.00

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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.