Home / 12,470.80-18,706.04-3,586.34

Finding the Fourth Proportional to 12,470.80, 18,706.04 and 3,586.34

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Solution

The fourth proportional to 12,470.80, 18,706.04 and 3,586.34 is: 5,379.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,470.80 : 18,706.04 = 3,586.34 : x
  2. Step 2: Convert to fraction form
    12,470.80/18,706.04 = 3,586.34/x
  3. Step 3: Cross multiply
    12,470.80x = 18,706.04 × 3,586.34
  4. Step 4: Simplify right side
    12,470.80x = 67,086,219.49
  5. Step 5: Solve for x
    x = 67,086,219.49/12,470.80
  6. Step 6: Final answer
    x = 5,379.46

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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.