Home / 12,051.06-18,031.23-8,360.43

Finding the Fourth Proportional to 12,051.06, 18,031.23 and 8,360.43

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Solution

The fourth proportional to 12,051.06, 18,031.23 and 8,360.43 is: 12,509.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,051.06 : 18,031.23 = 8,360.43 : x
  2. Step 2: Convert to fraction form
    12,051.06/18,031.23 = 8,360.43/x
  3. Step 3: Cross multiply
    12,051.06x = 18,031.23 × 8,360.43
  4. Step 4: Simplify right side
    12,051.06x = 150,748,836.23
  5. Step 5: Solve for x
    x = 150,748,836.23/12,051.06
  6. Step 6: Final answer
    x = 12,509.18

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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.