Home / 22,454.57-30,987.26-12,383.16

Finding the Fourth Proportional to 22,454.57, 30,987.26 and 12,383.16

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Solution

The fourth proportional to 22,454.57, 30,987.26 and 12,383.16 is: 17,088.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,454.57 : 30,987.26 = 12,383.16 : x
  2. Step 2: Convert to fraction form
    22,454.57/30,987.26 = 12,383.16/x
  3. Step 3: Cross multiply
    22,454.57x = 30,987.26 × 12,383.16
  4. Step 4: Simplify right side
    22,454.57x = 383,720,136.63
  5. Step 5: Solve for x
    x = 383,720,136.63/22,454.57
  6. Step 6: Final answer
    x = 17,088.74

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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.