Home / 20,498.63-30,747.40-5,706.95

Finding the Fourth Proportional to 20,498.63, 30,747.40 and 5,706.95

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Solution

The fourth proportional to 20,498.63, 30,747.40 and 5,706.95 is: 8,560.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,498.63 : 30,747.40 = 5,706.95 : x
  2. Step 2: Convert to fraction form
    20,498.63/30,747.40 = 5,706.95/x
  3. Step 3: Cross multiply
    20,498.63x = 30,747.40 × 5,706.95
  4. Step 4: Simplify right side
    20,498.63x = 175,473,706.43
  5. Step 5: Solve for x
    x = 175,473,706.43/20,498.63
  6. Step 6: Final answer
    x = 8,560.27

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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.