Home / 10,120.46-15,182.31-4,277.12

Finding the Fourth Proportional to 10,120.46, 15,182.31 and 4,277.12

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Solution

The fourth proportional to 10,120.46, 15,182.31 and 4,277.12 is: 6,416.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,120.46 : 15,182.31 = 4,277.12 : x
  2. Step 2: Convert to fraction form
    10,120.46/15,182.31 = 4,277.12/x
  3. Step 3: Cross multiply
    10,120.46x = 15,182.31 × 4,277.12
  4. Step 4: Simplify right side
    10,120.46x = 64,936,485.84
  5. Step 5: Solve for x
    x = 64,936,485.84/10,120.46
  6. Step 6: Final answer
    x = 6,416.36

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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.