Home / 14,346.11-21,520.41-3,957.86

Finding the Fourth Proportional to 14,346.11, 21,520.41 and 3,957.86

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Solution

The fourth proportional to 14,346.11, 21,520.41 and 3,957.86 is: 5,937.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,346.11 : 21,520.41 = 3,957.86 : x
  2. Step 2: Convert to fraction form
    14,346.11/21,520.41 = 3,957.86/x
  3. Step 3: Cross multiply
    14,346.11x = 21,520.41 × 3,957.86
  4. Step 4: Simplify right side
    14,346.11x = 85,174,750.13
  5. Step 5: Solve for x
    x = 85,174,750.13/14,346.11
  6. Step 6: Final answer
    x = 5,937.13

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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.