Home / 14,810.90-20,439.29-8,843.09

Finding the Fourth Proportional to 14,810.90, 20,439.29 and 8,843.09

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Solution

The fourth proportional to 14,810.90, 20,439.29 and 8,843.09 is: 12,203.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,810.90 : 20,439.29 = 8,843.09 : x
  2. Step 2: Convert to fraction form
    14,810.90/20,439.29 = 8,843.09/x
  3. Step 3: Cross multiply
    14,810.90x = 20,439.29 × 8,843.09
  4. Step 4: Simplify right side
    14,810.90x = 180,746,436.79
  5. Step 5: Solve for x
    x = 180,746,436.79/14,810.90
  6. Step 6: Final answer
    x = 12,203.61

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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.