Home / 12,340.60-18,511.11-4,020.58

Finding the Fourth Proportional to 12,340.60, 18,511.11 and 4,020.58

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Solution

The fourth proportional to 12,340.60, 18,511.11 and 4,020.58 is: 6,030.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,340.60 : 18,511.11 = 4,020.58 : x
  2. Step 2: Convert to fraction form
    12,340.60/18,511.11 = 4,020.58/x
  3. Step 3: Cross multiply
    12,340.60x = 18,511.11 × 4,020.58
  4. Step 4: Simplify right side
    12,340.60x = 74,425,352.37
  5. Step 5: Solve for x
    x = 74,425,352.37/12,340.60
  6. Step 6: Final answer
    x = 6,030.94

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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.