Home / 12,951.70-19,427.57-5,551.36

Finding the Fourth Proportional to 12,951.70, 19,427.57 and 5,551.36

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Solution

The fourth proportional to 12,951.70, 19,427.57 and 5,551.36 is: 8,327.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,951.70 : 19,427.57 = 5,551.36 : x
  2. Step 2: Convert to fraction form
    12,951.70/19,427.57 = 5,551.36/x
  3. Step 3: Cross multiply
    12,951.70x = 19,427.57 × 5,551.36
  4. Step 4: Simplify right side
    12,951.70x = 107,849,435.00
  5. Step 5: Solve for x
    x = 107,849,435.00/12,951.70
  6. Step 6: Final answer
    x = 8,327.05

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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.