Home / 12,905.72-19,359.23-4,027.10

Finding the Fourth Proportional to 12,905.72, 19,359.23 and 4,027.10

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Solution

The fourth proportional to 12,905.72, 19,359.23 and 4,027.10 is: 6,040.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,905.72 : 19,359.23 = 4,027.10 : x
  2. Step 2: Convert to fraction form
    12,905.72/19,359.23 = 4,027.10/x
  3. Step 3: Cross multiply
    12,905.72x = 19,359.23 × 4,027.10
  4. Step 4: Simplify right side
    12,905.72x = 77,961,438.20
  5. Step 5: Solve for x
    x = 77,961,438.20/12,905.72
  6. Step 6: Final answer
    x = 6,040.85

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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.