Home / 23,109.64-34,653.48-12,005.20

Finding the Fourth Proportional to 23,109.64, 34,653.48 and 12,005.20

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Solution

The fourth proportional to 23,109.64, 34,653.48 and 12,005.20 is: 18,002.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,109.64 : 34,653.48 = 12,005.20 : x
  2. Step 2: Convert to fraction form
    23,109.64/34,653.48 = 12,005.20/x
  3. Step 3: Cross multiply
    23,109.64x = 34,653.48 × 12,005.20
  4. Step 4: Simplify right side
    23,109.64x = 416,021,958.10
  5. Step 5: Solve for x
    x = 416,021,958.10/23,109.64
  6. Step 6: Final answer
    x = 18,002.10

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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.