Home / 21,122.27-31,653.86-14,014.86

Finding the Fourth Proportional to 21,122.27, 31,653.86 and 14,014.86

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Solution

The fourth proportional to 21,122.27, 31,653.86 and 14,014.86 is: 21,002.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,122.27 : 31,653.86 = 14,014.86 : x
  2. Step 2: Convert to fraction form
    21,122.27/31,653.86 = 14,014.86/x
  3. Step 3: Cross multiply
    21,122.27x = 31,653.86 × 14,014.86
  4. Step 4: Simplify right side
    21,122.27x = 443,624,227.58
  5. Step 5: Solve for x
    x = 443,624,227.58/21,122.27
  6. Step 6: Final answer
    x = 21,002.68

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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.