Home / 10,212.04-15,318.20-2,816.43

Finding the Fourth Proportional to 10,212.04, 15,318.20 and 2,816.43

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Solution

The fourth proportional to 10,212.04, 15,318.20 and 2,816.43 is: 4,224.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,212.04 : 15,318.20 = 2,816.43 : x
  2. Step 2: Convert to fraction form
    10,212.04/15,318.20 = 2,816.43/x
  3. Step 3: Cross multiply
    10,212.04x = 15,318.20 × 2,816.43
  4. Step 4: Simplify right side
    10,212.04x = 43,142,638.03
  5. Step 5: Solve for x
    x = 43,142,638.03/10,212.04
  6. Step 6: Final answer
    x = 4,224.68

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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.