Home / 13,534.47-20,280.77-9,382.59

Finding the Fourth Proportional to 13,534.47, 20,280.77 and 9,382.59

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Solution

The fourth proportional to 13,534.47, 20,280.77 and 9,382.59 is: 14,059.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,534.47 : 20,280.77 = 9,382.59 : x
  2. Step 2: Convert to fraction form
    13,534.47/20,280.77 = 9,382.59/x
  3. Step 3: Cross multiply
    13,534.47x = 20,280.77 × 9,382.59
  4. Step 4: Simplify right side
    13,534.47x = 190,286,102.88
  5. Step 5: Solve for x
    x = 190,286,102.88/13,534.47
  6. Step 6: Final answer
    x = 14,059.37

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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.