Home / 13,246.10-19,861.95-5,455.70

Finding the Fourth Proportional to 13,246.10, 19,861.95 and 5,455.70

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Solution

The fourth proportional to 13,246.10, 19,861.95 and 5,455.70 is: 8,180.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,246.10 : 19,861.95 = 5,455.70 : x
  2. Step 2: Convert to fraction form
    13,246.10/19,861.95 = 5,455.70/x
  3. Step 3: Cross multiply
    13,246.10x = 19,861.95 × 5,455.70
  4. Step 4: Simplify right side
    13,246.10x = 108,360,840.62
  5. Step 5: Solve for x
    x = 108,360,840.62/13,246.10
  6. Step 6: Final answer
    x = 8,180.58

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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.