Home / 14,721.34-20,315.49-8,006.96

Finding the Fourth Proportional to 14,721.34, 20,315.49 and 8,006.96

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Solution

The fourth proportional to 14,721.34, 20,315.49 and 8,006.96 is: 11,049.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,721.34 : 20,315.49 = 8,006.96 : x
  2. Step 2: Convert to fraction form
    14,721.34/20,315.49 = 8,006.96/x
  3. Step 3: Cross multiply
    14,721.34x = 20,315.49 × 8,006.96
  4. Step 4: Simplify right side
    14,721.34x = 162,665,315.81
  5. Step 5: Solve for x
    x = 162,665,315.81/14,721.34
  6. Step 6: Final answer
    x = 11,049.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.