Home / 14,469.57-19,970.45-8,423.33

Finding the Fourth Proportional to 14,469.57, 19,970.45 and 8,423.33

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Solution

The fourth proportional to 14,469.57, 19,970.45 and 8,423.33 is: 11,625.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,469.57 : 19,970.45 = 8,423.33 : x
  2. Step 2: Convert to fraction form
    14,469.57/19,970.45 = 8,423.33/x
  3. Step 3: Cross multiply
    14,469.57x = 19,970.45 × 8,423.33
  4. Step 4: Simplify right side
    14,469.57x = 168,217,580.22
  5. Step 5: Solve for x
    x = 168,217,580.22/14,469.57
  6. Step 6: Final answer
    x = 11,625.61

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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.