Home / 14,420.69-21,644.40-8,884.85

Finding the Fourth Proportional to 14,420.69, 21,644.40 and 8,884.85

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Solution

The fourth proportional to 14,420.69, 21,644.40 and 8,884.85 is: 13,335.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,420.69 : 21,644.40 = 8,884.85 : x
  2. Step 2: Convert to fraction form
    14,420.69/21,644.40 = 8,884.85/x
  3. Step 3: Cross multiply
    14,420.69x = 21,644.40 × 8,884.85
  4. Step 4: Simplify right side
    14,420.69x = 192,307,247.34
  5. Step 5: Solve for x
    x = 192,307,247.34/14,420.69
  6. Step 6: Final answer
    x = 13,335.51

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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.