Home / 14,000.13-21,003.03-4,139.19

Finding the Fourth Proportional to 14,000.13, 21,003.03 and 4,139.19

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Solution

The fourth proportional to 14,000.13, 21,003.03 and 4,139.19 is: 6,209.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,000.13 : 21,003.03 = 4,139.19 : x
  2. Step 2: Convert to fraction form
    14,000.13/21,003.03 = 4,139.19/x
  3. Step 3: Cross multiply
    14,000.13x = 21,003.03 × 4,139.19
  4. Step 4: Simplify right side
    14,000.13x = 86,935,531.75
  5. Step 5: Solve for x
    x = 86,935,531.75/14,000.13
  6. Step 6: Final answer
    x = 6,209.62

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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.