Home / 10,373.67-15,563.21-2,978.73

Finding the Fourth Proportional to 10,373.67, 15,563.21 and 2,978.73

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Solution

The fourth proportional to 10,373.67, 15,563.21 and 2,978.73 is: 4,468.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,373.67 : 15,563.21 = 2,978.73 : x
  2. Step 2: Convert to fraction form
    10,373.67/15,563.21 = 2,978.73/x
  3. Step 3: Cross multiply
    10,373.67x = 15,563.21 × 2,978.73
  4. Step 4: Simplify right side
    10,373.67x = 46,358,585.63
  5. Step 5: Solve for x
    x = 46,358,585.63/10,373.67
  6. Step 6: Final answer
    x = 4,468.87

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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.