Home / 12,180.58-18,271.31-6,255.87

Finding the Fourth Proportional to 12,180.58, 18,271.31 and 6,255.87

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Solution

The fourth proportional to 12,180.58, 18,271.31 and 6,255.87 is: 9,384.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,180.58 : 18,271.31 = 6,255.87 : x
  2. Step 2: Convert to fraction form
    12,180.58/18,271.31 = 6,255.87/x
  3. Step 3: Cross multiply
    12,180.58x = 18,271.31 × 6,255.87
  4. Step 4: Simplify right side
    12,180.58x = 114,302,840.29
  5. Step 5: Solve for x
    x = 114,302,840.29/12,180.58
  6. Step 6: Final answer
    x = 9,384.02

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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.