Home / 21,846.00-30,148.81-12,414.57

Finding the Fourth Proportional to 21,846.00, 30,148.81 and 12,414.57

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Solution

The fourth proportional to 21,846.00, 30,148.81 and 12,414.57 is: 17,132.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,846.00 : 30,148.81 = 12,414.57 : x
  2. Step 2: Convert to fraction form
    21,846.00/30,148.81 = 12,414.57/x
  3. Step 3: Cross multiply
    21,846.00x = 30,148.81 × 12,414.57
  4. Step 4: Simplify right side
    21,846.00x = 374,284,368.07
  5. Step 5: Solve for x
    x = 374,284,368.07/21,846.00
  6. Step 6: Final answer
    x = 17,132.85

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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.