Home / 19,619.10-29,426.94-5,578.56

Finding the Fourth Proportional to 19,619.10, 29,426.94 and 5,578.56

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Solution

The fourth proportional to 19,619.10, 29,426.94 and 5,578.56 is: 8,367.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,619.10 : 29,426.94 = 5,578.56 : x
  2. Step 2: Convert to fraction form
    19,619.10/29,426.94 = 5,578.56/x
  3. Step 3: Cross multiply
    19,619.10x = 29,426.94 × 5,578.56
  4. Step 4: Simplify right side
    19,619.10x = 164,159,950.41
  5. Step 5: Solve for x
    x = 164,159,950.41/19,619.10
  6. Step 6: Final answer
    x = 8,367.35

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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.