Home / 13,497.60-18,635.36-8,468.72

Finding the Fourth Proportional to 13,497.60, 18,635.36 and 8,468.72

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Solution

The fourth proportional to 13,497.60, 18,635.36 and 8,468.72 is: 11,692.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,497.60 : 18,635.36 = 8,468.72 : x
  2. Step 2: Convert to fraction form
    13,497.60/18,635.36 = 8,468.72/x
  3. Step 3: Cross multiply
    13,497.60x = 18,635.36 × 8,468.72
  4. Step 4: Simplify right side
    13,497.60x = 157,817,645.94
  5. Step 5: Solve for x
    x = 157,817,645.94/13,497.60
  6. Step 6: Final answer
    x = 11,692.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.