Home / 13,595.43-18,772.35-8,817.66

Finding the Fourth Proportional to 13,595.43, 18,772.35 and 8,817.66

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Solution

The fourth proportional to 13,595.43, 18,772.35 and 8,817.66 is: 12,175.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,595.43 : 18,772.35 = 8,817.66 : x
  2. Step 2: Convert to fraction form
    13,595.43/18,772.35 = 8,817.66/x
  3. Step 3: Cross multiply
    13,595.43x = 18,772.35 × 8,817.66
  4. Step 4: Simplify right side
    13,595.43x = 165,528,199.70
  5. Step 5: Solve for x
    x = 165,528,199.70/13,595.43
  6. Step 6: Final answer
    x = 12,175.28

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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.