Home / 10,812.64-16,219.08-3,021.52

Finding the Fourth Proportional to 10,812.64, 16,219.08 and 3,021.52

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Solution

The fourth proportional to 10,812.64, 16,219.08 and 3,021.52 is: 4,532.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,812.64 : 16,219.08 = 3,021.52 : x
  2. Step 2: Convert to fraction form
    10,812.64/16,219.08 = 3,021.52/x
  3. Step 3: Cross multiply
    10,812.64x = 16,219.08 × 3,021.52
  4. Step 4: Simplify right side
    10,812.64x = 49,006,274.60
  5. Step 5: Solve for x
    x = 49,006,274.60/10,812.64
  6. Step 6: Final answer
    x = 4,532.31

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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.