Home / 13,492.57-20,245.73-9,100.81

Finding the Fourth Proportional to 13,492.57, 20,245.73 and 9,100.81

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Solution

The fourth proportional to 13,492.57, 20,245.73 and 9,100.81 is: 13,655.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,492.57 : 20,245.73 = 9,100.81 : x
  2. Step 2: Convert to fraction form
    13,492.57/20,245.73 = 9,100.81/x
  3. Step 3: Cross multiply
    13,492.57x = 20,245.73 × 9,100.81
  4. Step 4: Simplify right side
    13,492.57x = 184,252,615.41
  5. Step 5: Solve for x
    x = 184,252,615.41/13,492.57
  6. Step 6: Final answer
    x = 13,655.86

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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.