Home / 12,059.80-18,087.90-4,266.76

Finding the Fourth Proportional to 12,059.80, 18,087.90 and 4,266.76

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Solution

The fourth proportional to 12,059.80, 18,087.90 and 4,266.76 is: 6,399.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,059.80 : 18,087.90 = 4,266.76 : x
  2. Step 2: Convert to fraction form
    12,059.80/18,087.90 = 4,266.76/x
  3. Step 3: Cross multiply
    12,059.80x = 18,087.90 × 4,266.76
  4. Step 4: Simplify right side
    12,059.80x = 77,176,728.20
  5. Step 5: Solve for x
    x = 77,176,728.20/12,059.80
  6. Step 6: Final answer
    x = 6,399.50

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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.