Home / 12,860.09-19,293.80-4,095.69

Finding the Fourth Proportional to 12,860.09, 19,293.80 and 4,095.69

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Solution

The fourth proportional to 12,860.09, 19,293.80 and 4,095.69 is: 6,144.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,860.09 : 19,293.80 = 4,095.69 : x
  2. Step 2: Convert to fraction form
    12,860.09/19,293.80 = 4,095.69/x
  3. Step 3: Cross multiply
    12,860.09x = 19,293.80 × 4,095.69
  4. Step 4: Simplify right side
    12,860.09x = 79,021,403.24
  5. Step 5: Solve for x
    x = 79,021,403.24/12,860.09
  6. Step 6: Final answer
    x = 6,144.70

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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.