Home / 10,574.75-15,860.40-3,999.37

Finding the Fourth Proportional to 10,574.75, 15,860.40 and 3,999.37

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Solution

The fourth proportional to 10,574.75, 15,860.40 and 3,999.37 is: 5,998.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,574.75 : 15,860.40 = 3,999.37 : x
  2. Step 2: Convert to fraction form
    10,574.75/15,860.40 = 3,999.37/x
  3. Step 3: Cross multiply
    10,574.75x = 15,860.40 × 3,999.37
  4. Step 4: Simplify right side
    10,574.75x = 63,431,607.95
  5. Step 5: Solve for x
    x = 63,431,607.95/10,574.75
  6. Step 6: Final answer
    x = 5,998.40

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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.