Home / 13,206.70-19,817.85-4,892.62

Finding the Fourth Proportional to 13,206.70, 19,817.85 and 4,892.62

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Solution

The fourth proportional to 13,206.70, 19,817.85 and 4,892.62 is: 7,341.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,206.70 : 19,817.85 = 4,892.62 : x
  2. Step 2: Convert to fraction form
    13,206.70/19,817.85 = 4,892.62/x
  3. Step 3: Cross multiply
    13,206.70x = 19,817.85 × 4,892.62
  4. Step 4: Simplify right side
    13,206.70x = 96,961,209.27
  5. Step 5: Solve for x
    x = 96,961,209.27/13,206.70
  6. Step 6: Final answer
    x = 7,341.82

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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.