Home / 12,802.46-19,199.92-4,480.92

Finding the Fourth Proportional to 12,802.46, 19,199.92 and 4,480.92

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Solution

The fourth proportional to 12,802.46, 19,199.92 and 4,480.92 is: 6,720.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,802.46 : 19,199.92 = 4,480.92 : x
  2. Step 2: Convert to fraction form
    12,802.46/19,199.92 = 4,480.92/x
  3. Step 3: Cross multiply
    12,802.46x = 19,199.92 × 4,480.92
  4. Step 4: Simplify right side
    12,802.46x = 86,033,305.53
  5. Step 5: Solve for x
    x = 86,033,305.53/12,802.46
  6. Step 6: Final answer
    x = 6,720.06

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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.