Home / 13,998.29-21,000.03-4,002.62

Finding the Fourth Proportional to 13,998.29, 21,000.03 and 4,002.62

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Solution

The fourth proportional to 13,998.29, 21,000.03 and 4,002.62 is: 6,004.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,998.29 : 21,000.03 = 4,002.62 : x
  2. Step 2: Convert to fraction form
    13,998.29/21,000.03 = 4,002.62/x
  3. Step 3: Cross multiply
    13,998.29x = 21,000.03 × 4,002.62
  4. Step 4: Simplify right side
    13,998.29x = 84,055,035.08
  5. Step 5: Solve for x
    x = 84,055,035.08/13,998.29
  6. Step 6: Final answer
    x = 6,004.66

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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.