Home / 12,908.40-19,338.57-10,841.82

Finding the Fourth Proportional to 12,908.40, 19,338.57 and 10,841.82

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Solution

The fourth proportional to 12,908.40, 19,338.57 and 10,841.82 is: 16,242.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,908.40 : 19,338.57 = 10,841.82 : x
  2. Step 2: Convert to fraction form
    12,908.40/19,338.57 = 10,841.82/x
  3. Step 3: Cross multiply
    12,908.40x = 19,338.57 × 10,841.82
  4. Step 4: Simplify right side
    12,908.40x = 209,665,295.00
  5. Step 5: Solve for x
    x = 209,665,295.00/12,908.40
  6. Step 6: Final answer
    x = 16,242.55

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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.