Home / 12,077.14-18,102.60-4,679.40

Finding the Fourth Proportional to 12,077.14, 18,102.60 and 4,679.40

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Solution

The fourth proportional to 12,077.14, 18,102.60 and 4,679.40 is: 7,014.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,077.14 : 18,102.60 = 4,679.40 : x
  2. Step 2: Convert to fraction form
    12,077.14/18,102.60 = 4,679.40/x
  3. Step 3: Cross multiply
    12,077.14x = 18,102.60 × 4,679.40
  4. Step 4: Simplify right side
    12,077.14x = 84,709,306.44
  5. Step 5: Solve for x
    x = 84,709,306.44/12,077.14
  6. Step 6: Final answer
    x = 7,014.02

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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.