Home / 14,558.80-21,831-6,762.64

Finding the Fourth Proportional to 14,558.80, 21,831 and 6,762.64

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Solution

The fourth proportional to 14,558.80, 21,831 and 6,762.64 is: 10,140.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,558.80 : 21,831 = 6,762.64 : x
  2. Step 2: Convert to fraction form
    14,558.80/21,831 = 6,762.64/x
  3. Step 3: Cross multiply
    14,558.80x = 21,831 × 6,762.64
  4. Step 4: Simplify right side
    14,558.80x = 147,635,193.84
  5. Step 5: Solve for x
    x = 147,635,193.84/14,558.80
  6. Step 6: Final answer
    x = 10,140.62

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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.