Home / 13,677.74-20,501.96-9,770.30

Finding the Fourth Proportional to 13,677.74, 20,501.96 and 9,770.30

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Solution

The fourth proportional to 13,677.74, 20,501.96 and 9,770.30 is: 14,644.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,677.74 : 20,501.96 = 9,770.30 : x
  2. Step 2: Convert to fraction form
    13,677.74/20,501.96 = 9,770.30/x
  3. Step 3: Cross multiply
    13,677.74x = 20,501.96 × 9,770.30
  4. Step 4: Simplify right side
    13,677.74x = 200,310,299.79
  5. Step 5: Solve for x
    x = 200,310,299.79/13,677.74
  6. Step 6: Final answer
    x = 14,644.99

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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.