Home / 19,166.16-28,732.20-7,476.72

Finding the Fourth Proportional to 19,166.16, 28,732.20 and 7,476.72

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Solution

The fourth proportional to 19,166.16, 28,732.20 and 7,476.72 is: 11,208.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,166.16 : 28,732.20 = 7,476.72 : x
  2. Step 2: Convert to fraction form
    19,166.16/28,732.20 = 7,476.72/x
  3. Step 3: Cross multiply
    19,166.16x = 28,732.20 × 7,476.72
  4. Step 4: Simplify right side
    19,166.16x = 214,822,614.38
  5. Step 5: Solve for x
    x = 214,822,614.38/19,166.16
  6. Step 6: Final answer
    x = 11,208.43

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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.