Home / 9,380.30-14,070.44-3,139.14

Finding the Fourth Proportional to 9,380.30, 14,070.44 and 3,139.14

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Solution

The fourth proportional to 9,380.30, 14,070.44 and 3,139.14 is: 4,708.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,380.30 : 14,070.44 = 3,139.14 : x
  2. Step 2: Convert to fraction form
    9,380.30/14,070.44 = 3,139.14/x
  3. Step 3: Cross multiply
    9,380.30x = 14,070.44 × 3,139.14
  4. Step 4: Simplify right side
    9,380.30x = 44,169,065.33
  5. Step 5: Solve for x
    x = 44,169,065.33/9,380.30
  6. Step 6: Final answer
    x = 4,708.71

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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.