Home / 12,645.63-18,968.76-4,325.58

Finding the Fourth Proportional to 12,645.63, 18,968.76 and 4,325.58

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Solution

The fourth proportional to 12,645.63, 18,968.76 and 4,325.58 is: 6,488.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,645.63 : 18,968.76 = 4,325.58 : x
  2. Step 2: Convert to fraction form
    12,645.63/18,968.76 = 4,325.58/x
  3. Step 3: Cross multiply
    12,645.63x = 18,968.76 × 4,325.58
  4. Step 4: Simplify right side
    12,645.63x = 82,050,888.88
  5. Step 5: Solve for x
    x = 82,050,888.88/12,645.63
  6. Step 6: Final answer
    x = 6,488.48

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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.