Home / 13,011.76-19,515.61-4,244.73

Finding the Fourth Proportional to 13,011.76, 19,515.61 and 4,244.73

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Solution

The fourth proportional to 13,011.76, 19,515.61 and 4,244.73 is: 6,366.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,011.76 : 19,515.61 = 4,244.73 : x
  2. Step 2: Convert to fraction form
    13,011.76/19,515.61 = 4,244.73/x
  3. Step 3: Cross multiply
    13,011.76x = 19,515.61 × 4,244.73
  4. Step 4: Simplify right side
    13,011.76x = 82,838,495.24
  5. Step 5: Solve for x
    x = 82,838,495.24/13,011.76
  6. Step 6: Final answer
    x = 6,366.43

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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.