Home / 12,470.56-18,705.66-3,586.08

Finding the Fourth Proportional to 12,470.56, 18,705.66 and 3,586.08

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Solution

The fourth proportional to 12,470.56, 18,705.66 and 3,586.08 is: 5,379.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,470.56 : 18,705.66 = 3,586.08 : x
  2. Step 2: Convert to fraction form
    12,470.56/18,705.66 = 3,586.08/x
  3. Step 3: Cross multiply
    12,470.56x = 18,705.66 × 3,586.08
  4. Step 4: Simplify right side
    12,470.56x = 67,079,993.21
  5. Step 5: Solve for x
    x = 67,079,993.21/12,470.56
  6. Step 6: Final answer
    x = 5,379.07

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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.