Home / 13,409.58-20,114.43-3,548.76

Finding the Fourth Proportional to 13,409.58, 20,114.43 and 3,548.76

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Solution

The fourth proportional to 13,409.58, 20,114.43 and 3,548.76 is: 5,323.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,409.58 : 20,114.43 = 3,548.76 : x
  2. Step 2: Convert to fraction form
    13,409.58/20,114.43 = 3,548.76/x
  3. Step 3: Cross multiply
    13,409.58x = 20,114.43 × 3,548.76
  4. Step 4: Simplify right side
    13,409.58x = 71,381,284.61
  5. Step 5: Solve for x
    x = 71,381,284.61/13,409.58
  6. Step 6: Final answer
    x = 5,323.16

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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.