Home / 8,318.23-12,448.14-6,457.48

Finding the Fourth Proportional to 8,318.23, 12,448.14 and 6,457.48

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Solution

The fourth proportional to 8,318.23, 12,448.14 and 6,457.48 is: 9,663.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,318.23 : 12,448.14 = 6,457.48 : x
  2. Step 2: Convert to fraction form
    8,318.23/12,448.14 = 6,457.48/x
  3. Step 3: Cross multiply
    8,318.23x = 12,448.14 × 6,457.48
  4. Step 4: Simplify right side
    8,318.23x = 80,383,615.09
  5. Step 5: Solve for x
    x = 80,383,615.09/8,318.23
  6. Step 6: Final answer
    x = 9,663.55

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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.