Home / 20,539.68-30,792.08-8,692.96

Finding the Fourth Proportional to 20,539.68, 30,792.08 and 8,692.96

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Solution

The fourth proportional to 20,539.68, 30,792.08 and 8,692.96 is: 13,032.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,539.68 : 30,792.08 = 8,692.96 : x
  2. Step 2: Convert to fraction form
    20,539.68/30,792.08 = 8,692.96/x
  3. Step 3: Cross multiply
    20,539.68x = 30,792.08 × 8,692.96
  4. Step 4: Simplify right side
    20,539.68x = 267,674,319.76
  5. Step 5: Solve for x
    x = 267,674,319.76/20,539.68
  6. Step 6: Final answer
    x = 13,032.06

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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.