Home / 13,539.60-20,295.77-5,646.50

Finding the Fourth Proportional to 13,539.60, 20,295.77 and 5,646.50

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Solution

The fourth proportional to 13,539.60, 20,295.77 and 5,646.50 is: 8,464.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,539.60 : 20,295.77 = 5,646.50 : x
  2. Step 2: Convert to fraction form
    13,539.60/20,295.77 = 5,646.50/x
  3. Step 3: Cross multiply
    13,539.60x = 20,295.77 × 5,646.50
  4. Step 4: Simplify right side
    13,539.60x = 114,599,935.59
  5. Step 5: Solve for x
    x = 114,599,935.59/13,539.60
  6. Step 6: Final answer
    x = 8,464.06

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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.