Home / 13,566.21-20,354.67-4,206.96

Finding the Fourth Proportional to 13,566.21, 20,354.67 and 4,206.96

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Solution

The fourth proportional to 13,566.21, 20,354.67 and 4,206.96 is: 6,312.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,566.21 : 20,354.67 = 4,206.96 : x
  2. Step 2: Convert to fraction form
    13,566.21/20,354.67 = 4,206.96/x
  3. Step 3: Cross multiply
    13,566.21x = 20,354.67 × 4,206.96
  4. Step 4: Simplify right side
    13,566.21x = 85,631,282.50
  5. Step 5: Solve for x
    x = 85,631,282.50/13,566.21
  6. Step 6: Final answer
    x = 6,312.10

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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.