Home / 18,330.32-25,296-10,776.08

Finding the Fourth Proportional to 18,330.32, 25,296 and 10,776.08

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Solution

The fourth proportional to 18,330.32, 25,296 and 10,776.08 is: 14,871.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,330.32 : 25,296 = 10,776.08 : x
  2. Step 2: Convert to fraction form
    18,330.32/25,296 = 10,776.08/x
  3. Step 3: Cross multiply
    18,330.32x = 25,296 × 10,776.08
  4. Step 4: Simplify right side
    18,330.32x = 272,591,719.68
  5. Step 5: Solve for x
    x = 272,591,719.68/18,330.32
  6. Step 6: Final answer
    x = 14,871.08

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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.