Home / 9,374.21-12,936.17-5,125.15

Finding the Fourth Proportional to 9,374.21, 12,936.17 and 5,125.15

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Solution

The fourth proportional to 9,374.21, 12,936.17 and 5,125.15 is: 7,072.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,374.21 : 12,936.17 = 5,125.15 : x
  2. Step 2: Convert to fraction form
    9,374.21/12,936.17 = 5,125.15/x
  3. Step 3: Cross multiply
    9,374.21x = 12,936.17 × 5,125.15
  4. Step 4: Simplify right side
    9,374.21x = 66,299,721.37
  5. Step 5: Solve for x
    x = 66,299,721.37/9,374.21
  6. Step 6: Final answer
    x = 7,072.57

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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.