Home / 14,230.86-21,441.17-12,845.76

Finding the Fourth Proportional to 14,230.86, 21,441.17 and 12,845.76

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Solution

The fourth proportional to 14,230.86, 21,441.17 and 12,845.76 is: 19,354.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,230.86 : 21,441.17 = 12,845.76 : x
  2. Step 2: Convert to fraction form
    14,230.86/21,441.17 = 12,845.76/x
  3. Step 3: Cross multiply
    14,230.86x = 21,441.17 × 12,845.76
  4. Step 4: Simplify right side
    14,230.86x = 275,428,059.71
  5. Step 5: Solve for x
    x = 275,428,059.71/14,230.86
  6. Step 6: Final answer
    x = 19,354.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.