Home / 9,370.06-12,947.82-8,914.60

Finding the Fourth Proportional to 9,370.06, 12,947.82 and 8,914.60

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Solution

The fourth proportional to 9,370.06, 12,947.82 and 8,914.60 is: 12,318.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,370.06 : 12,947.82 = 8,914.60 : x
  2. Step 2: Convert to fraction form
    9,370.06/12,947.82 = 8,914.60/x
  3. Step 3: Cross multiply
    9,370.06x = 12,947.82 × 8,914.60
  4. Step 4: Simplify right side
    9,370.06x = 115,424,636.17
  5. Step 5: Solve for x
    x = 115,424,636.17/9,370.06
  6. Step 6: Final answer
    x = 12,318.45

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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.