Home / 12,370.23-17,072.78-9,737.46

Finding the Fourth Proportional to 12,370.23, 17,072.78 and 9,737.46

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Solution

The fourth proportional to 12,370.23, 17,072.78 and 9,737.46 is: 13,439.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,370.23 : 17,072.78 = 9,737.46 : x
  2. Step 2: Convert to fraction form
    12,370.23/17,072.78 = 9,737.46/x
  3. Step 3: Cross multiply
    12,370.23x = 17,072.78 × 9,737.46
  4. Step 4: Simplify right side
    12,370.23x = 166,245,463.65
  5. Step 5: Solve for x
    x = 166,245,463.65/12,370.23
  6. Step 6: Final answer
    x = 13,439.16

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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.