Home / 18,952.47-26,134.62-13,216.61

Finding the Fourth Proportional to 18,952.47, 26,134.62 and 13,216.61

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Solution

The fourth proportional to 18,952.47, 26,134.62 and 13,216.61 is: 18,225.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,952.47 : 26,134.62 = 13,216.61 : x
  2. Step 2: Convert to fraction form
    18,952.47/26,134.62 = 13,216.61/x
  3. Step 3: Cross multiply
    18,952.47x = 26,134.62 × 13,216.61
  4. Step 4: Simplify right side
    18,952.47x = 345,410,949.37
  5. Step 5: Solve for x
    x = 345,410,949.37/18,952.47
  6. Step 6: Final answer
    x = 18,225.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.