Home / 18,730.52-28,095.68-7,637.17

Finding the Fourth Proportional to 18,730.52, 28,095.68 and 7,637.17

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Solution

The fourth proportional to 18,730.52, 28,095.68 and 7,637.17 is: 11,455.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,730.52 : 28,095.68 = 7,637.17 : x
  2. Step 2: Convert to fraction form
    18,730.52/28,095.68 = 7,637.17/x
  3. Step 3: Cross multiply
    18,730.52x = 28,095.68 × 7,637.17
  4. Step 4: Simplify right side
    18,730.52x = 214,571,433.28
  5. Step 5: Solve for x
    x = 214,571,433.28/18,730.52
  6. Step 6: Final answer
    x = 11,455.71

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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.