Home / 18,437.20-25,422.72-11,714.32

Finding the Fourth Proportional to 18,437.20, 25,422.72 and 11,714.32

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Solution

The fourth proportional to 18,437.20, 25,422.72 and 11,714.32 is: 16,152.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,437.20 : 25,422.72 = 11,714.32 : x
  2. Step 2: Convert to fraction form
    18,437.20/25,422.72 = 11,714.32/x
  3. Step 3: Cross multiply
    18,437.20x = 25,422.72 × 11,714.32
  4. Step 4: Simplify right side
    18,437.20x = 297,809,877.35
  5. Step 5: Solve for x
    x = 297,809,877.35/18,437.20
  6. Step 6: Final answer
    x = 16,152.66

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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.