Home / 13,529.61-20,289.24-6,505.19

Finding the Fourth Proportional to 13,529.61, 20,289.24 and 6,505.19

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Solution

The fourth proportional to 13,529.61, 20,289.24 and 6,505.19 is: 9,755.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,529.61 : 20,289.24 = 6,505.19 : x
  2. Step 2: Convert to fraction form
    13,529.61/20,289.24 = 6,505.19/x
  3. Step 3: Cross multiply
    13,529.61x = 20,289.24 × 6,505.19
  4. Step 4: Simplify right side
    13,529.61x = 131,985,361.16
  5. Step 5: Solve for x
    x = 131,985,361.16/13,529.61
  6. Step 6: Final answer
    x = 9,755.30

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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.