Home / 18,400.32-25,392.48-10,016.64

Finding the Fourth Proportional to 18,400.32, 25,392.48 and 10,016.64

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Solution

The fourth proportional to 18,400.32, 25,392.48 and 10,016.64 is: 13,822.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,400.32 : 25,392.48 = 10,016.64 : x
  2. Step 2: Convert to fraction form
    18,400.32/25,392.48 = 10,016.64/x
  3. Step 3: Cross multiply
    18,400.32x = 25,392.48 × 10,016.64
  4. Step 4: Simplify right side
    18,400.32x = 254,347,330.87
  5. Step 5: Solve for x
    x = 254,347,330.87/18,400.32
  6. Step 6: Final answer
    x = 13,822.98

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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.