Home / 14,265.15-19,687.75-8,817.58

Finding the Fourth Proportional to 14,265.15, 19,687.75 and 8,817.58

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Solution

The fourth proportional to 14,265.15, 19,687.75 and 8,817.58 is: 12,169.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,265.15 : 19,687.75 = 8,817.58 : x
  2. Step 2: Convert to fraction form
    14,265.15/19,687.75 = 8,817.58/x
  3. Step 3: Cross multiply
    14,265.15x = 19,687.75 × 8,817.58
  4. Step 4: Simplify right side
    14,265.15x = 173,598,310.65
  5. Step 5: Solve for x
    x = 173,598,310.65/14,265.15
  6. Step 6: Final answer
    x = 12,169.40

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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.