Home / 9,374.06-12,936.75-5,182.70

Finding the Fourth Proportional to 9,374.06, 12,936.75 and 5,182.70

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Solution

The fourth proportional to 9,374.06, 12,936.75 and 5,182.70 is: 7,152.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,374.06 : 12,936.75 = 5,182.70 : x
  2. Step 2: Convert to fraction form
    9,374.06/12,936.75 = 5,182.70/x
  3. Step 3: Cross multiply
    9,374.06x = 12,936.75 × 5,182.70
  4. Step 4: Simplify right side
    9,374.06x = 67,047,294.23
  5. Step 5: Solve for x
    x = 67,047,294.23/9,374.06
  6. Step 6: Final answer
    x = 7,152.43

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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.