Home / 15,971.21-23,935.76-12,261.41

Finding the Fourth Proportional to 15,971.21, 23,935.76 and 12,261.41

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Solution

The fourth proportional to 15,971.21, 23,935.76 and 12,261.41 is: 18,375.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,971.21 : 23,935.76 = 12,261.41 : x
  2. Step 2: Convert to fraction form
    15,971.21/23,935.76 = 12,261.41/x
  3. Step 3: Cross multiply
    15,971.21x = 23,935.76 × 12,261.41
  4. Step 4: Simplify right side
    15,971.21x = 293,486,105.71
  5. Step 5: Solve for x
    x = 293,486,105.71/15,971.21
  6. Step 6: Final answer
    x = 18,375.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.