Home / 22,454.16-30,987.36-12,383.28

Finding the Fourth Proportional to 22,454.16, 30,987.36 and 12,383.28

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Solution

The fourth proportional to 22,454.16, 30,987.36 and 12,383.28 is: 17,089.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,454.16 : 30,987.36 = 12,383.28 : x
  2. Step 2: Convert to fraction form
    22,454.16/30,987.36 = 12,383.28/x
  3. Step 3: Cross multiply
    22,454.16x = 30,987.36 × 12,383.28
  4. Step 4: Simplify right side
    22,454.16x = 383,725,155.34
  5. Step 5: Solve for x
    x = 383,725,155.34/22,454.16
  6. Step 6: Final answer
    x = 17,089.27

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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.