Home / 12,051.37-18,031.95-11,418.51

Finding the Fourth Proportional to 12,051.37, 18,031.95 and 11,418.51

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Solution

The fourth proportional to 12,051.37, 18,031.95 and 11,418.51 is: 17,085.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,051.37 : 18,031.95 = 11,418.51 : x
  2. Step 2: Convert to fraction form
    12,051.37/18,031.95 = 11,418.51/x
  3. Step 3: Cross multiply
    12,051.37x = 18,031.95 × 11,418.51
  4. Step 4: Simplify right side
    12,051.37x = 205,898,001.39
  5. Step 5: Solve for x
    x = 205,898,001.39/12,051.37
  6. Step 6: Final answer
    x = 17,085.03

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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.