Home / 19,154.61-28,730.70-8,062.47

Finding the Fourth Proportional to 19,154.61, 28,730.70 and 8,062.47

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Solution

The fourth proportional to 19,154.61, 28,730.70 and 8,062.47 is: 12,093.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,154.61 : 28,730.70 = 8,062.47 : x
  2. Step 2: Convert to fraction form
    19,154.61/28,730.70 = 8,062.47/x
  3. Step 3: Cross multiply
    19,154.61x = 28,730.70 × 8,062.47
  4. Step 4: Simplify right side
    19,154.61x = 231,640,406.83
  5. Step 5: Solve for x
    x = 231,640,406.83/19,154.61
  6. Step 6: Final answer
    x = 12,093.19

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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.