Home / 14,424.66-21,641.31-6,637.86

Finding the Fourth Proportional to 14,424.66, 21,641.31 and 6,637.86

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Solution

The fourth proportional to 14,424.66, 21,641.31 and 6,637.86 is: 9,958.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,424.66 : 21,641.31 = 6,637.86 : x
  2. Step 2: Convert to fraction form
    14,424.66/21,641.31 = 6,637.86/x
  3. Step 3: Cross multiply
    14,424.66x = 21,641.31 × 6,637.86
  4. Step 4: Simplify right side
    14,424.66x = 143,651,986.00
  5. Step 5: Solve for x
    x = 143,651,986.00/14,424.66
  6. Step 6: Final answer
    x = 9,958.78

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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.