Home / 12,328.58-18,491.30-3,444.60

Finding the Fourth Proportional to 12,328.58, 18,491.30 and 3,444.60

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Solution

The fourth proportional to 12,328.58, 18,491.30 and 3,444.60 is: 5,166.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,328.58 : 18,491.30 = 3,444.60 : x
  2. Step 2: Convert to fraction form
    12,328.58/18,491.30 = 3,444.60/x
  3. Step 3: Cross multiply
    12,328.58x = 18,491.30 × 3,444.60
  4. Step 4: Simplify right side
    12,328.58x = 63,695,131.98
  5. Step 5: Solve for x
    x = 63,695,131.98/12,328.58
  6. Step 6: Final answer
    x = 5,166.46

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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.