Home / 12,603.14-18,900.66-4,168.07

Finding the Fourth Proportional to 12,603.14, 18,900.66 and 4,168.07

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Solution

The fourth proportional to 12,603.14, 18,900.66 and 4,168.07 is: 6,250.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,603.14 : 18,900.66 = 4,168.07 : x
  2. Step 2: Convert to fraction form
    12,603.14/18,900.66 = 4,168.07/x
  3. Step 3: Cross multiply
    12,603.14x = 18,900.66 × 4,168.07
  4. Step 4: Simplify right side
    12,603.14x = 78,779,179.42
  5. Step 5: Solve for x
    x = 78,779,179.42/12,603.14
  6. Step 6: Final answer
    x = 6,250.76

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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.