Home / 18,180.64-27,235.32-9,421.30

Finding the Fourth Proportional to 18,180.64, 27,235.32 and 9,421.30

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Solution

The fourth proportional to 18,180.64, 27,235.32 and 9,421.30 is: 14,113.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,180.64 : 27,235.32 = 9,421.30 : x
  2. Step 2: Convert to fraction form
    18,180.64/27,235.32 = 9,421.30/x
  3. Step 3: Cross multiply
    18,180.64x = 27,235.32 × 9,421.30
  4. Step 4: Simplify right side
    18,180.64x = 256,592,120.32
  5. Step 5: Solve for x
    x = 256,592,120.32/18,180.64
  6. Step 6: Final answer
    x = 14,113.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.