Home / 12,949.65-19,424.58-4,184.56

Finding the Fourth Proportional to 12,949.65, 19,424.58 and 4,184.56

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Solution

The fourth proportional to 12,949.65, 19,424.58 and 4,184.56 is: 6,276.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,949.65 : 19,424.58 = 4,184.56 : x
  2. Step 2: Convert to fraction form
    12,949.65/19,424.58 = 4,184.56/x
  3. Step 3: Cross multiply
    12,949.65x = 19,424.58 × 4,184.56
  4. Step 4: Simplify right side
    12,949.65x = 81,283,320.48
  5. Step 5: Solve for x
    x = 81,283,320.48/12,949.65
  6. Step 6: Final answer
    x = 6,276.88

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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.