Home / 10,164.64-15,246.96-2,868.64

Finding the Fourth Proportional to 10,164.64, 15,246.96 and 2,868.64

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Solution

The fourth proportional to 10,164.64, 15,246.96 and 2,868.64 is: 4,302.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,164.64 : 15,246.96 = 2,868.64 : x
  2. Step 2: Convert to fraction form
    10,164.64/15,246.96 = 2,868.64/x
  3. Step 3: Cross multiply
    10,164.64x = 15,246.96 × 2,868.64
  4. Step 4: Simplify right side
    10,164.64x = 43,738,039.33
  5. Step 5: Solve for x
    x = 43,738,039.33/10,164.64
  6. Step 6: Final answer
    x = 4,302.96

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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.