Home / 22,448.16-30,976.80-12,376.80

Finding the Fourth Proportional to 22,448.16, 30,976.80 and 12,376.80

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Solution

The fourth proportional to 22,448.16, 30,976.80 and 12,376.80 is: 17,079.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,448.16 : 30,976.80 = 12,376.80 : x
  2. Step 2: Convert to fraction form
    22,448.16/30,976.80 = 12,376.80/x
  3. Step 3: Cross multiply
    22,448.16x = 30,976.80 × 12,376.80
  4. Step 4: Simplify right side
    22,448.16x = 383,393,658.24
  5. Step 5: Solve for x
    x = 383,393,658.24/22,448.16
  6. Step 6: Final answer
    x = 17,079.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.