Home / 12,848.13-19,271.99-6,927.77

Finding the Fourth Proportional to 12,848.13, 19,271.99 and 6,927.77

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Solution

The fourth proportional to 12,848.13, 19,271.99 and 6,927.77 is: 10,391.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,848.13 : 19,271.99 = 6,927.77 : x
  2. Step 2: Convert to fraction form
    12,848.13/19,271.99 = 6,927.77/x
  3. Step 3: Cross multiply
    12,848.13x = 19,271.99 × 6,927.77
  4. Step 4: Simplify right side
    12,848.13x = 133,511,979.66
  5. Step 5: Solve for x
    x = 133,511,979.66/12,848.13
  6. Step 6: Final answer
    x = 10,391.55

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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.