Home / 20,401.65-30,599.59-6,548.85

Finding the Fourth Proportional to 20,401.65, 30,599.59 and 6,548.85

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Solution

The fourth proportional to 20,401.65, 30,599.59 and 6,548.85 is: 9,822.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,401.65 : 30,599.59 = 6,548.85 : x
  2. Step 2: Convert to fraction form
    20,401.65/30,599.59 = 6,548.85/x
  3. Step 3: Cross multiply
    20,401.65x = 30,599.59 × 6,548.85
  4. Step 4: Simplify right side
    20,401.65x = 200,392,124.97
  5. Step 5: Solve for x
    x = 200,392,124.97/20,401.65
  6. Step 6: Final answer
    x = 9,822.35

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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.