Home / 15,641.10-23,426.82-12,107.07

Finding the Fourth Proportional to 15,641.10, 23,426.82 and 12,107.07

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Solution

The fourth proportional to 15,641.10, 23,426.82 and 12,107.07 is: 18,133.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,641.10 : 23,426.82 = 12,107.07 : x
  2. Step 2: Convert to fraction form
    15,641.10/23,426.82 = 12,107.07/x
  3. Step 3: Cross multiply
    15,641.10x = 23,426.82 × 12,107.07
  4. Step 4: Simplify right side
    15,641.10x = 283,630,149.62
  5. Step 5: Solve for x
    x = 283,630,149.62/15,641.10
  6. Step 6: Final answer
    x = 18,133.64

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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.