Home / 13,743.92-20,617.95-4,980.89

Finding the Fourth Proportional to 13,743.92, 20,617.95 and 4,980.89

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Solution

The fourth proportional to 13,743.92, 20,617.95 and 4,980.89 is: 7,472.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,743.92 : 20,617.95 = 4,980.89 : x
  2. Step 2: Convert to fraction form
    13,743.92/20,617.95 = 4,980.89/x
  3. Step 3: Cross multiply
    13,743.92x = 20,617.95 × 4,980.89
  4. Step 4: Simplify right side
    13,743.92x = 102,695,740.98
  5. Step 5: Solve for x
    x = 102,695,740.98/13,743.92
  6. Step 6: Final answer
    x = 7,472.09

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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.