Home / 19,274.48-28,913.13-8,179.91

Finding the Fourth Proportional to 19,274.48, 28,913.13 and 8,179.91

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Solution

The fourth proportional to 19,274.48, 28,913.13 and 8,179.91 is: 12,270.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,274.48 : 28,913.13 = 8,179.91 : x
  2. Step 2: Convert to fraction form
    19,274.48/28,913.13 = 8,179.91/x
  3. Step 3: Cross multiply
    19,274.48x = 28,913.13 × 8,179.91
  4. Step 4: Simplify right side
    19,274.48x = 236,506,656.65
  5. Step 5: Solve for x
    x = 236,506,656.65/19,274.48
  6. Step 6: Final answer
    x = 12,270.46

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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.