Home / 12,872.93-19,305.32-6,632.15

Finding the Fourth Proportional to 12,872.93, 19,305.32 and 6,632.15

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Solution

The fourth proportional to 12,872.93, 19,305.32 and 6,632.15 is: 9,946.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,872.93 : 19,305.32 = 6,632.15 : x
  2. Step 2: Convert to fraction form
    12,872.93/19,305.32 = 6,632.15/x
  3. Step 3: Cross multiply
    12,872.93x = 19,305.32 × 6,632.15
  4. Step 4: Simplify right side
    12,872.93x = 128,035,648.35
  5. Step 5: Solve for x
    x = 128,035,648.35/12,872.93
  6. Step 6: Final answer
    x = 9,946.12

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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.