Home / 12,821.14-19,227.12-4,924.18

Finding the Fourth Proportional to 12,821.14, 19,227.12 and 4,924.18

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Solution

The fourth proportional to 12,821.14, 19,227.12 and 4,924.18 is: 7,384.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,821.14 : 19,227.12 = 4,924.18 : x
  2. Step 2: Convert to fraction form
    12,821.14/19,227.12 = 4,924.18/x
  3. Step 3: Cross multiply
    12,821.14x = 19,227.12 × 4,924.18
  4. Step 4: Simplify right side
    12,821.14x = 94,677,799.76
  5. Step 5: Solve for x
    x = 94,677,799.76/12,821.14
  6. Step 6: Final answer
    x = 7,384.51

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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.