Home / 13,551.55-20,327.33-8,933.47

Finding the Fourth Proportional to 13,551.55, 20,327.33 and 8,933.47

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Solution

The fourth proportional to 13,551.55, 20,327.33 and 8,933.47 is: 13,400.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,551.55 : 20,327.33 = 8,933.47 : x
  2. Step 2: Convert to fraction form
    13,551.55/20,327.33 = 8,933.47/x
  3. Step 3: Cross multiply
    13,551.55x = 20,327.33 × 8,933.47
  4. Step 4: Simplify right side
    13,551.55x = 181,593,592.74
  5. Step 5: Solve for x
    x = 181,593,592.74/13,551.55
  6. Step 6: Final answer
    x = 13,400.21

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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.