Home / 12,754.95-19,144.35-6,519.30

Finding the Fourth Proportional to 12,754.95, 19,144.35 and 6,519.30

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Solution

The fourth proportional to 12,754.95, 19,144.35 and 6,519.30 is: 9,785.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,754.95 : 19,144.35 = 6,519.30 : x
  2. Step 2: Convert to fraction form
    12,754.95/19,144.35 = 6,519.30/x
  3. Step 3: Cross multiply
    12,754.95x = 19,144.35 × 6,519.30
  4. Step 4: Simplify right side
    12,754.95x = 124,807,760.96
  5. Step 5: Solve for x
    x = 124,807,760.96/12,754.95
  6. Step 6: Final answer
    x = 9,785.05

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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.