Home / 12,860.16-19,286.32-4,538.23

Finding the Fourth Proportional to 12,860.16, 19,286.32 and 4,538.23

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Solution

The fourth proportional to 12,860.16, 19,286.32 and 4,538.23 is: 6,805.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,860.16 : 19,286.32 = 4,538.23 : x
  2. Step 2: Convert to fraction form
    12,860.16/19,286.32 = 4,538.23/x
  3. Step 3: Cross multiply
    12,860.16x = 19,286.32 × 4,538.23
  4. Step 4: Simplify right side
    12,860.16x = 87,525,733.32
  5. Step 5: Solve for x
    x = 87,525,733.32/12,860.16
  6. Step 6: Final answer
    x = 6,805.96

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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.