Home / 13,377.96-20,056.02-7,817.64

Finding the Fourth Proportional to 13,377.96, 20,056.02 and 7,817.64

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Solution

The fourth proportional to 13,377.96, 20,056.02 and 7,817.64 is: 11,720.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,377.96 : 20,056.02 = 7,817.64 : x
  2. Step 2: Convert to fraction form
    13,377.96/20,056.02 = 7,817.64/x
  3. Step 3: Cross multiply
    13,377.96x = 20,056.02 × 7,817.64
  4. Step 4: Simplify right side
    13,377.96x = 156,790,744.19
  5. Step 5: Solve for x
    x = 156,790,744.19/13,377.96
  6. Step 6: Final answer
    x = 11,720.08

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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.