Home / 18,314.32-25,272.60-10,356.88

Finding the Fourth Proportional to 18,314.32, 25,272.60 and 10,356.88

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Solution

The fourth proportional to 18,314.32, 25,272.60 and 10,356.88 is: 14,291.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,314.32 : 25,272.60 = 10,356.88 : x
  2. Step 2: Convert to fraction form
    18,314.32/25,272.60 = 10,356.88/x
  3. Step 3: Cross multiply
    18,314.32x = 25,272.60 × 10,356.88
  4. Step 4: Simplify right side
    18,314.32x = 261,745,285.49
  5. Step 5: Solve for x
    x = 261,745,285.49/18,314.32
  6. Step 6: Final answer
    x = 14,291.84

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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.