Home / 8,239.23-12,357.63-2,693.16

Finding the Fourth Proportional to 8,239.23, 12,357.63 and 2,693.16

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Solution

The fourth proportional to 8,239.23, 12,357.63 and 2,693.16 is: 4,039.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,239.23 : 12,357.63 = 2,693.16 : x
  2. Step 2: Convert to fraction form
    8,239.23/12,357.63 = 2,693.16/x
  3. Step 3: Cross multiply
    8,239.23x = 12,357.63 × 2,693.16
  4. Step 4: Simplify right side
    8,239.23x = 33,281,074.81
  5. Step 5: Solve for x
    x = 33,281,074.81/8,239.23
  6. Step 6: Final answer
    x = 4,039.34

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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.