Home / 22,017.90-30,386.82-12,584.64

Finding the Fourth Proportional to 22,017.90, 30,386.82 and 12,584.64

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Solution

The fourth proportional to 22,017.90, 30,386.82 and 12,584.64 is: 17,368.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,017.90 : 30,386.82 = 12,584.64 : x
  2. Step 2: Convert to fraction form
    22,017.90/30,386.82 = 12,584.64/x
  3. Step 3: Cross multiply
    22,017.90x = 30,386.82 × 12,584.64
  4. Step 4: Simplify right side
    22,017.90x = 382,407,190.44
  5. Step 5: Solve for x
    x = 382,407,190.44/22,017.90
  6. Step 6: Final answer
    x = 17,368.01

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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.