Home / 14,618.10-21,930.75-4,230.90

Finding the Fourth Proportional to 14,618.10, 21,930.75 and 4,230.90

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Solution

The fourth proportional to 14,618.10, 21,930.75 and 4,230.90 is: 6,347.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,618.10 : 21,930.75 = 4,230.90 : x
  2. Step 2: Convert to fraction form
    14,618.10/21,930.75 = 4,230.90/x
  3. Step 3: Cross multiply
    14,618.10x = 21,930.75 × 4,230.90
  4. Step 4: Simplify right side
    14,618.10x = 92,786,810.18
  5. Step 5: Solve for x
    x = 92,786,810.18/14,618.10
  6. Step 6: Final answer
    x = 6,347.39

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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.