Home / 12,770.95-19,156.43-4,006.55

Finding the Fourth Proportional to 12,770.95, 19,156.43 and 4,006.55

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Solution

The fourth proportional to 12,770.95, 19,156.43 and 4,006.55 is: 6,009.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,770.95 : 19,156.43 = 4,006.55 : x
  2. Step 2: Convert to fraction form
    12,770.95/19,156.43 = 4,006.55/x
  3. Step 3: Cross multiply
    12,770.95x = 19,156.43 × 4,006.55
  4. Step 4: Simplify right side
    12,770.95x = 76,751,144.77
  5. Step 5: Solve for x
    x = 76,751,144.77/12,770.95
  6. Step 6: Final answer
    x = 6,009.82

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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.