Home / 12,798.98-19,207.11-4,479.06

Finding the Fourth Proportional to 12,798.98, 19,207.11 and 4,479.06

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Solution

The fourth proportional to 12,798.98, 19,207.11 and 4,479.06 is: 6,721.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,798.98 : 19,207.11 = 4,479.06 : x
  2. Step 2: Convert to fraction form
    12,798.98/19,207.11 = 4,479.06/x
  3. Step 3: Cross multiply
    12,798.98x = 19,207.11 × 4,479.06
  4. Step 4: Simplify right side
    12,798.98x = 86,029,798.12
  5. Step 5: Solve for x
    x = 86,029,798.12/12,798.98
  6. Step 6: Final answer
    x = 6,721.62

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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.