Home / 10,574.50-15,860.03-3,999.12

Finding the Fourth Proportional to 10,574.50, 15,860.03 and 3,999.12

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Solution

The fourth proportional to 10,574.50, 15,860.03 and 3,999.12 is: 5,998.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,574.50 : 15,860.03 = 3,999.12 : x
  2. Step 2: Convert to fraction form
    10,574.50/15,860.03 = 3,999.12/x
  3. Step 3: Cross multiply
    10,574.50x = 15,860.03 × 3,999.12
  4. Step 4: Simplify right side
    10,574.50x = 63,426,143.18
  5. Step 5: Solve for x
    x = 63,426,143.18/10,574.50
  6. Step 6: Final answer
    x = 5,998.03

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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.