Home / 12,370.49-18,559.83-8,226.80

Finding the Fourth Proportional to 12,370.49, 18,559.83 and 8,226.80

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Solution

The fourth proportional to 12,370.49, 18,559.83 and 8,226.80 is: 12,342.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,370.49 : 18,559.83 = 8,226.80 : x
  2. Step 2: Convert to fraction form
    12,370.49/18,559.83 = 8,226.80/x
  3. Step 3: Cross multiply
    12,370.49x = 18,559.83 × 8,226.80
  4. Step 4: Simplify right side
    12,370.49x = 152,688,009.44
  5. Step 5: Solve for x
    x = 152,688,009.44/12,370.49
  6. Step 6: Final answer
    x = 12,342.92

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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.