Home / 12,055.98-18,069.39-6,209.40

Finding the Fourth Proportional to 12,055.98, 18,069.39 and 6,209.40

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Solution

The fourth proportional to 12,055.98, 18,069.39 and 6,209.40 is: 9,306.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,055.98 : 18,069.39 = 6,209.40 : x
  2. Step 2: Convert to fraction form
    12,055.98/18,069.39 = 6,209.40/x
  3. Step 3: Cross multiply
    12,055.98x = 18,069.39 × 6,209.40
  4. Step 4: Simplify right side
    12,055.98x = 112,200,070.27
  5. Step 5: Solve for x
    x = 112,200,070.27/12,055.98
  6. Step 6: Final answer
    x = 9,306.59

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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.