Home / 9,405.90-14,110.20-3,166.20

Finding the Fourth Proportional to 9,405.90, 14,110.20 and 3,166.20

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Solution

The fourth proportional to 9,405.90, 14,110.20 and 3,166.20 is: 4,749.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,405.90 : 14,110.20 = 3,166.20 : x
  2. Step 2: Convert to fraction form
    9,405.90/14,110.20 = 3,166.20/x
  3. Step 3: Cross multiply
    9,405.90x = 14,110.20 × 3,166.20
  4. Step 4: Simplify right side
    9,405.90x = 44,675,715.24
  5. Step 5: Solve for x
    x = 44,675,715.24/9,405.90
  6. Step 6: Final answer
    x = 4,749.75

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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.