Home / 12,207.40-18,311.10-6,050.60

Finding the Fourth Proportional to 12,207.40, 18,311.10 and 6,050.60

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Solution

The fourth proportional to 12,207.40, 18,311.10 and 6,050.60 is: 9,075.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,207.40 : 18,311.10 = 6,050.60 : x
  2. Step 2: Convert to fraction form
    12,207.40/18,311.10 = 6,050.60/x
  3. Step 3: Cross multiply
    12,207.40x = 18,311.10 × 6,050.60
  4. Step 4: Simplify right side
    12,207.40x = 110,793,141.66
  5. Step 5: Solve for x
    x = 110,793,141.66/12,207.40
  6. Step 6: Final answer
    x = 9,075.90

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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.