Home / 21,926.90-30,258.40-12,367.03

Finding the Fourth Proportional to 21,926.90, 30,258.40 and 12,367.03

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Solution

The fourth proportional to 21,926.90, 30,258.40 and 12,367.03 is: 17,066.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,926.90 : 30,258.40 = 12,367.03 : x
  2. Step 2: Convert to fraction form
    21,926.90/30,258.40 = 12,367.03/x
  3. Step 3: Cross multiply
    21,926.90x = 30,258.40 × 12,367.03
  4. Step 4: Simplify right side
    21,926.90x = 374,206,496.52
  5. Step 5: Solve for x
    x = 374,206,496.52/21,926.90
  6. Step 6: Final answer
    x = 17,066.10

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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.