Home / 13,403.88-18,497.52-7,435.62

Finding the Fourth Proportional to 13,403.88, 18,497.52 and 7,435.62

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Solution

The fourth proportional to 13,403.88, 18,497.52 and 7,435.62 is: 10,261.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,403.88 : 18,497.52 = 7,435.62 : x
  2. Step 2: Convert to fraction form
    13,403.88/18,497.52 = 7,435.62/x
  3. Step 3: Cross multiply
    13,403.88x = 18,497.52 × 7,435.62
  4. Step 4: Simplify right side
    13,403.88x = 137,540,529.66
  5. Step 5: Solve for x
    x = 137,540,529.66/13,403.88
  6. Step 6: Final answer
    x = 10,261.25

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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.