Home / 18,339.22-25,308.74-10,381.28

Finding the Fourth Proportional to 18,339.22, 25,308.74 and 10,381.28

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Solution

The fourth proportional to 18,339.22, 25,308.74 and 10,381.28 is: 14,326.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,339.22 : 25,308.74 = 10,381.28 : x
  2. Step 2: Convert to fraction form
    18,339.22/25,308.74 = 10,381.28/x
  3. Step 3: Cross multiply
    18,339.22x = 25,308.74 × 10,381.28
  4. Step 4: Simplify right side
    18,339.22x = 262,737,116.39
  5. Step 5: Solve for x
    x = 262,737,116.39/18,339.22
  6. Step 6: Final answer
    x = 14,326.52

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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.