Home / 12,261.11-18,398.31-9,493.19

Finding the Fourth Proportional to 12,261.11, 18,398.31 and 9,493.19

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Solution

The fourth proportional to 12,261.11, 18,398.31 and 9,493.19 is: 14,244.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,261.11 : 18,398.31 = 9,493.19 : x
  2. Step 2: Convert to fraction form
    12,261.11/18,398.31 = 9,493.19/x
  3. Step 3: Cross multiply
    12,261.11x = 18,398.31 × 9,493.19
  4. Step 4: Simplify right side
    12,261.11x = 174,658,652.51
  5. Step 5: Solve for x
    x = 174,658,652.51/12,261.11
  6. Step 6: Final answer
    x = 14,244.93

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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.