Home / 14,511.10-20,002.17-11,439.93

Finding the Fourth Proportional to 14,511.10, 20,002.17 and 11,439.93

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Solution

The fourth proportional to 14,511.10, 20,002.17 and 11,439.93 is: 15,768.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,511.10 : 20,002.17 = 11,439.93 : x
  2. Step 2: Convert to fraction form
    14,511.10/20,002.17 = 11,439.93/x
  3. Step 3: Cross multiply
    14,511.10x = 20,002.17 × 11,439.93
  4. Step 4: Simplify right side
    14,511.10x = 228,823,446.03
  5. Step 5: Solve for x
    x = 228,823,446.03/14,511.10
  6. Step 6: Final answer
    x = 15,768.86

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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.