Home / 22,448.74-30,979.48-12,377.57

Finding the Fourth Proportional to 22,448.74, 30,979.48 and 12,377.57

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Solution

The fourth proportional to 22,448.74, 30,979.48 and 12,377.57 is: 17,081.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,448.74 : 30,979.48 = 12,377.57 : x
  2. Step 2: Convert to fraction form
    22,448.74/30,979.48 = 12,377.57/x
  3. Step 3: Cross multiply
    22,448.74x = 30,979.48 × 12,377.57
  4. Step 4: Simplify right side
    22,448.74x = 383,450,728.77
  5. Step 5: Solve for x
    x = 383,450,728.77/22,448.74
  6. Step 6: Final answer
    x = 17,081.17

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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.