Home / 14,486.30-21,729.45-4,625.90

Finding the Fourth Proportional to 14,486.30, 21,729.45 and 4,625.90

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Solution

The fourth proportional to 14,486.30, 21,729.45 and 4,625.90 is: 6,938.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,486.30 : 21,729.45 = 4,625.90 : x
  2. Step 2: Convert to fraction form
    14,486.30/21,729.45 = 4,625.90/x
  3. Step 3: Cross multiply
    14,486.30x = 21,729.45 × 4,625.90
  4. Step 4: Simplify right side
    14,486.30x = 100,518,262.76
  5. Step 5: Solve for x
    x = 100,518,262.76/14,486.30
  6. Step 6: Final answer
    x = 6,938.85

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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.