Home / 18,342.63-25,288.32-14,578.29

Finding the Fourth Proportional to 18,342.63, 25,288.32 and 14,578.29

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Solution

The fourth proportional to 18,342.63, 25,288.32 and 14,578.29 is: 20,098.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,342.63 : 25,288.32 = 14,578.29 : x
  2. Step 2: Convert to fraction form
    18,342.63/25,288.32 = 14,578.29/x
  3. Step 3: Cross multiply
    18,342.63x = 25,288.32 × 14,578.29
  4. Step 4: Simplify right side
    18,342.63x = 368,660,462.57
  5. Step 5: Solve for x
    x = 368,660,462.57/18,342.63
  6. Step 6: Final answer
    x = 20,098.56

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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.