Home / 14,250.30-21,375.45-4,392.60

Finding the Fourth Proportional to 14,250.30, 21,375.45 and 4,392.60

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Solution

The fourth proportional to 14,250.30, 21,375.45 and 4,392.60 is: 6,588.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,250.30 : 21,375.45 = 4,392.60 : x
  2. Step 2: Convert to fraction form
    14,250.30/21,375.45 = 4,392.60/x
  3. Step 3: Cross multiply
    14,250.30x = 21,375.45 × 4,392.60
  4. Step 4: Simplify right side
    14,250.30x = 93,893,801.67
  5. Step 5: Solve for x
    x = 93,893,801.67/14,250.30
  6. Step 6: Final answer
    x = 6,588.90

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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.