Home / 12,974.93-19,442.59-6,736.99

Finding the Fourth Proportional to 12,974.93, 19,442.59 and 6,736.99

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Solution

The fourth proportional to 12,974.93, 19,442.59 and 6,736.99 is: 10,095.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,974.93 : 19,442.59 = 6,736.99 : x
  2. Step 2: Convert to fraction form
    12,974.93/19,442.59 = 6,736.99/x
  3. Step 3: Cross multiply
    12,974.93x = 19,442.59 × 6,736.99
  4. Step 4: Simplify right side
    12,974.93x = 130,984,534.40
  5. Step 5: Solve for x
    x = 130,984,534.40/12,974.93
  6. Step 6: Final answer
    x = 10,095.20

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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.