Home / 9,385.93-14,069.09-3,140.80

Finding the Fourth Proportional to 9,385.93, 14,069.09 and 3,140.80

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Solution

The fourth proportional to 9,385.93, 14,069.09 and 3,140.80 is: 4,707.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,385.93 : 14,069.09 = 3,140.80 : x
  2. Step 2: Convert to fraction form
    9,385.93/14,069.09 = 3,140.80/x
  3. Step 3: Cross multiply
    9,385.93x = 14,069.09 × 3,140.80
  4. Step 4: Simplify right side
    9,385.93x = 44,188,197.87
  5. Step 5: Solve for x
    x = 44,188,197.87/9,385.93
  6. Step 6: Final answer
    x = 4,707.92

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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.