Home / 13,549.68-20,327.76-4,783.86

Finding the Fourth Proportional to 13,549.68, 20,327.76 and 4,783.86

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Solution

The fourth proportional to 13,549.68, 20,327.76 and 4,783.86 is: 7,176.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,549.68 : 20,327.76 = 4,783.86 : x
  2. Step 2: Convert to fraction form
    13,549.68/20,327.76 = 4,783.86/x
  3. Step 3: Cross multiply
    13,549.68x = 20,327.76 × 4,783.86
  4. Step 4: Simplify right side
    13,549.68x = 97,245,157.95
  5. Step 5: Solve for x
    x = 97,245,157.95/13,549.68
  6. Step 6: Final answer
    x = 7,176.93

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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.