Home / 12,792.32-19,142.86-8,844.38

Finding the Fourth Proportional to 12,792.32, 19,142.86 and 8,844.38

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Solution

The fourth proportional to 12,792.32, 19,142.86 and 8,844.38 is: 13,235.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,792.32 : 19,142.86 = 8,844.38 : x
  2. Step 2: Convert to fraction form
    12,792.32/19,142.86 = 8,844.38/x
  3. Step 3: Cross multiply
    12,792.32x = 19,142.86 × 8,844.38
  4. Step 4: Simplify right side
    12,792.32x = 169,306,728.13
  5. Step 5: Solve for x
    x = 169,306,728.13/12,792.32
  6. Step 6: Final answer
    x = 13,235.03

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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.