Home / 38,290.93-57,436.40-11,637.14

Finding the Fourth Proportional to 38,290.93, 57,436.40 and 11,637.14

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Solution

The fourth proportional to 38,290.93, 57,436.40 and 11,637.14 is: 17,455.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,290.93 : 57,436.40 = 11,637.14 : x
  2. Step 2: Convert to fraction form
    38,290.93/57,436.40 = 11,637.14/x
  3. Step 3: Cross multiply
    38,290.93x = 57,436.40 × 11,637.14
  4. Step 4: Simplify right side
    38,290.93x = 668,395,467.61
  5. Step 5: Solve for x
    x = 668,395,467.61/38,290.93
  6. Step 6: Final answer
    x = 17,455.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.