Home / 12,355.80-18,543.44-4,566.84

Finding the Fourth Proportional to 12,355.80, 18,543.44 and 4,566.84

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Solution

The fourth proportional to 12,355.80, 18,543.44 and 4,566.84 is: 6,853.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,355.80 : 18,543.44 = 4,566.84 : x
  2. Step 2: Convert to fraction form
    12,355.80/18,543.44 = 4,566.84/x
  3. Step 3: Cross multiply
    12,355.80x = 18,543.44 × 4,566.84
  4. Step 4: Simplify right side
    12,355.80x = 84,684,923.53
  5. Step 5: Solve for x
    x = 84,684,923.53/12,355.80
  6. Step 6: Final answer
    x = 6,853.86

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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.