Home / 14,813.36-20,440.20-9,508.88

Finding the Fourth Proportional to 14,813.36, 20,440.20 and 9,508.88

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Solution

The fourth proportional to 14,813.36, 20,440.20 and 9,508.88 is: 13,120.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,813.36 : 20,440.20 = 9,508.88 : x
  2. Step 2: Convert to fraction form
    14,813.36/20,440.20 = 9,508.88/x
  3. Step 3: Cross multiply
    14,813.36x = 20,440.20 × 9,508.88
  4. Step 4: Simplify right side
    14,813.36x = 194,363,408.98
  5. Step 5: Solve for x
    x = 194,363,408.98/14,813.36
  6. Step 6: Final answer
    x = 13,120.82

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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.