Home / 12,713.12-19,070.52-4,393.94

Finding the Fourth Proportional to 12,713.12, 19,070.52 and 4,393.94

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Solution

The fourth proportional to 12,713.12, 19,070.52 and 4,393.94 is: 6,591.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,713.12 : 19,070.52 = 4,393.94 : x
  2. Step 2: Convert to fraction form
    12,713.12/19,070.52 = 4,393.94/x
  3. Step 3: Cross multiply
    12,713.12x = 19,070.52 × 4,393.94
  4. Step 4: Simplify right side
    12,713.12x = 83,794,720.65
  5. Step 5: Solve for x
    x = 83,794,720.65/12,713.12
  6. Step 6: Final answer
    x = 6,591.20

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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.