Home / 13,555.34-20,327.96-4,668.20

Finding the Fourth Proportional to 13,555.34, 20,327.96 and 4,668.20

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Solution

The fourth proportional to 13,555.34, 20,327.96 and 4,668.20 is: 7,000.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,555.34 : 20,327.96 = 4,668.20 : x
  2. Step 2: Convert to fraction form
    13,555.34/20,327.96 = 4,668.20/x
  3. Step 3: Cross multiply
    13,555.34x = 20,327.96 × 4,668.20
  4. Step 4: Simplify right side
    13,555.34x = 94,894,982.87
  5. Step 5: Solve for x
    x = 94,894,982.87/13,555.34
  6. Step 6: Final answer
    x = 7,000.56

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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.