Home / 13,905.49-20,861.76-4,044.76

Finding the Fourth Proportional to 13,905.49, 20,861.76 and 4,044.76

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Solution

The fourth proportional to 13,905.49, 20,861.76 and 4,044.76 is: 6,068.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,905.49 : 20,861.76 = 4,044.76 : x
  2. Step 2: Convert to fraction form
    13,905.49/20,861.76 = 4,044.76/x
  3. Step 3: Cross multiply
    13,905.49x = 20,861.76 × 4,044.76
  4. Step 4: Simplify right side
    13,905.49x = 84,380,792.15
  5. Step 5: Solve for x
    x = 84,380,792.15/13,905.49
  6. Step 6: Final answer
    x = 6,068.17

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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.