Home / 13,377.34-20,052.31-8,706.72

Finding the Fourth Proportional to 13,377.34, 20,052.31 and 8,706.72

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Solution

The fourth proportional to 13,377.34, 20,052.31 and 8,706.72 is: 13,051.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,377.34 : 20,052.31 = 8,706.72 : x
  2. Step 2: Convert to fraction form
    13,377.34/20,052.31 = 8,706.72/x
  3. Step 3: Cross multiply
    13,377.34x = 20,052.31 × 8,706.72
  4. Step 4: Simplify right side
    13,377.34x = 174,589,918.28
  5. Step 5: Solve for x
    x = 174,589,918.28/13,377.34
  6. Step 6: Final answer
    x = 13,051.17

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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.