Home / 12,618.27-18,929.14-4,296.06

Finding the Fourth Proportional to 12,618.27, 18,929.14 and 4,296.06

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Solution

The fourth proportional to 12,618.27, 18,929.14 and 4,296.06 is: 6,444.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,618.27 : 18,929.14 = 4,296.06 : x
  2. Step 2: Convert to fraction form
    12,618.27/18,929.14 = 4,296.06/x
  3. Step 3: Cross multiply
    12,618.27x = 18,929.14 × 4,296.06
  4. Step 4: Simplify right side
    12,618.27x = 81,320,710.45
  5. Step 5: Solve for x
    x = 81,320,710.45/12,618.27
  6. Step 6: Final answer
    x = 6,444.68

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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.