Home / 19,369.15-29,055.04-8,275.79

Finding the Fourth Proportional to 19,369.15, 29,055.04 and 8,275.79

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Solution

The fourth proportional to 19,369.15, 29,055.04 and 8,275.79 is: 12,414.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,369.15 : 29,055.04 = 8,275.79 : x
  2. Step 2: Convert to fraction form
    19,369.15/29,055.04 = 8,275.79/x
  3. Step 3: Cross multiply
    19,369.15x = 29,055.04 × 8,275.79
  4. Step 4: Simplify right side
    19,369.15x = 240,453,461.43
  5. Step 5: Solve for x
    x = 240,453,461.43/19,369.15
  6. Step 6: Final answer
    x = 12,414.25

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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.