Home / 12,907.87-19,350.34-4,586.79

Finding the Fourth Proportional to 12,907.87, 19,350.34 and 4,586.79

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Solution

The fourth proportional to 12,907.87, 19,350.34 and 4,586.79 is: 6,876.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,907.87 : 19,350.34 = 4,586.79 : x
  2. Step 2: Convert to fraction form
    12,907.87/19,350.34 = 4,586.79/x
  3. Step 3: Cross multiply
    12,907.87x = 19,350.34 × 4,586.79
  4. Step 4: Simplify right side
    12,907.87x = 88,755,946.01
  5. Step 5: Solve for x
    x = 88,755,946.01/12,907.87
  6. Step 6: Final answer
    x = 6,876.11

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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.