Home / 12,637.14-17,438.38-7,601.50

Finding the Fourth Proportional to 12,637.14, 17,438.38 and 7,601.50

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Solution

The fourth proportional to 12,637.14, 17,438.38 and 7,601.50 is: 10,489.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,637.14 : 17,438.38 = 7,601.50 : x
  2. Step 2: Convert to fraction form
    12,637.14/17,438.38 = 7,601.50/x
  3. Step 3: Cross multiply
    12,637.14x = 17,438.38 × 7,601.50
  4. Step 4: Simplify right side
    12,637.14x = 132,557,845.57
  5. Step 5: Solve for x
    x = 132,557,845.57/12,637.14
  6. Step 6: Final answer
    x = 10,489.54

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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.