Home / 12,907.64-19,362.96-5,512.94

Finding the Fourth Proportional to 12,907.64, 19,362.96 and 5,512.94

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Solution

The fourth proportional to 12,907.64, 19,362.96 and 5,512.94 is: 8,270.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,907.64 : 19,362.96 = 5,512.94 : x
  2. Step 2: Convert to fraction form
    12,907.64/19,362.96 = 5,512.94/x
  3. Step 3: Cross multiply
    12,907.64x = 19,362.96 × 5,512.94
  4. Step 4: Simplify right side
    12,907.64x = 106,746,836.70
  5. Step 5: Solve for x
    x = 106,746,836.70/12,907.64
  6. Step 6: Final answer
    x = 8,270.05

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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.