Home / 9,685.60-14,530.48-3,111.75

Finding the Fourth Proportional to 9,685.60, 14,530.48 and 3,111.75

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Solution

The fourth proportional to 9,685.60, 14,530.48 and 3,111.75 is: 4,668.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,685.60 : 14,530.48 = 3,111.75 : x
  2. Step 2: Convert to fraction form
    9,685.60/14,530.48 = 3,111.75/x
  3. Step 3: Cross multiply
    9,685.60x = 14,530.48 × 3,111.75
  4. Step 4: Simplify right side
    9,685.60x = 45,215,213.36
  5. Step 5: Solve for x
    x = 45,215,213.36/9,685.60
  6. Step 6: Final answer
    x = 4,668.29

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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.