Home / 13,007.39-19,511.08-10,426.73

Finding the Fourth Proportional to 13,007.39, 19,511.08 and 10,426.73

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Solution

The fourth proportional to 13,007.39, 19,511.08 and 10,426.73 is: 15,640.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,007.39 : 19,511.08 = 10,426.73 : x
  2. Step 2: Convert to fraction form
    13,007.39/19,511.08 = 10,426.73/x
  3. Step 3: Cross multiply
    13,007.39x = 19,511.08 × 10,426.73
  4. Step 4: Simplify right side
    13,007.39x = 203,436,639.55
  5. Step 5: Solve for x
    x = 203,436,639.55/13,007.39
  6. Step 6: Final answer
    x = 15,640.09

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Double scale
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Similar ratio
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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.