Home / 18,339.74-25,304.64-10,380.26

Finding the Fourth Proportional to 18,339.74, 25,304.64 and 10,380.26

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Solution

The fourth proportional to 18,339.74, 25,304.64 and 10,380.26 is: 14,322.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,339.74 : 25,304.64 = 10,380.26 : x
  2. Step 2: Convert to fraction form
    18,339.74/25,304.64 = 10,380.26/x
  3. Step 3: Cross multiply
    18,339.74x = 25,304.64 × 10,380.26
  4. Step 4: Simplify right side
    18,339.74x = 262,668,742.41
  5. Step 5: Solve for x
    x = 262,668,742.41/18,339.74
  6. Step 6: Final answer
    x = 14,322.38

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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.