Home / 13,306.13-19,959.20-4,072.13

Finding the Fourth Proportional to 13,306.13, 19,959.20 and 4,072.13

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Solution

The fourth proportional to 13,306.13, 19,959.20 and 4,072.13 is: 6,108.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,306.13 : 19,959.20 = 4,072.13 : x
  2. Step 2: Convert to fraction form
    13,306.13/19,959.20 = 4,072.13/x
  3. Step 3: Cross multiply
    13,306.13x = 19,959.20 × 4,072.13
  4. Step 4: Simplify right side
    13,306.13x = 81,276,336.94
  5. Step 5: Solve for x
    x = 81,276,336.94/13,306.13
  6. Step 6: Final answer
    x = 6,108.19

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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.