Home / 14,189.72-21,285.81-4,329.11

Finding the Fourth Proportional to 14,189.72, 21,285.81 and 4,329.11

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Solution

The fourth proportional to 14,189.72, 21,285.81 and 4,329.11 is: 6,494.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,189.72 : 21,285.81 = 4,329.11 : x
  2. Step 2: Convert to fraction form
    14,189.72/21,285.81 = 4,329.11/x
  3. Step 3: Cross multiply
    14,189.72x = 21,285.81 × 4,329.11
  4. Step 4: Simplify right side
    14,189.72x = 92,148,612.93
  5. Step 5: Solve for x
    x = 92,148,612.93/14,189.72
  6. Step 6: Final answer
    x = 6,494.04

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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.