Home / 12,740.73-19,113.81-4,949.52

Finding the Fourth Proportional to 12,740.73, 19,113.81 and 4,949.52

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Solution

The fourth proportional to 12,740.73, 19,113.81 and 4,949.52 is: 7,425.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,740.73 : 19,113.81 = 4,949.52 : x
  2. Step 2: Convert to fraction form
    12,740.73/19,113.81 = 4,949.52/x
  3. Step 3: Cross multiply
    12,740.73x = 19,113.81 × 4,949.52
  4. Step 4: Simplify right side
    12,740.73x = 94,604,184.87
  5. Step 5: Solve for x
    x = 94,604,184.87/12,740.73
  6. Step 6: Final answer
    x = 7,425.33

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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.