Home / 14,516.34-21,778.11-4,128

Finding the Fourth Proportional to 14,516.34, 21,778.11 and 4,128

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Solution

The fourth proportional to 14,516.34, 21,778.11 and 4,128 is: 6,193.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,516.34 : 21,778.11 = 4,128 : x
  2. Step 2: Convert to fraction form
    14,516.34/21,778.11 = 4,128/x
  3. Step 3: Cross multiply
    14,516.34x = 21,778.11 × 4,128
  4. Step 4: Simplify right side
    14,516.34x = 89,900,038.08
  5. Step 5: Solve for x
    x = 89,900,038.08/14,516.34
  6. Step 6: Final answer
    x = 6,193.02

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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.