Home / 12,370.86-18,523.08-9,675.72

Finding the Fourth Proportional to 12,370.86, 18,523.08 and 9,675.72

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Solution

The fourth proportional to 12,370.86, 18,523.08 and 9,675.72 is: 14,487.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,370.86 : 18,523.08 = 9,675.72 : x
  2. Step 2: Convert to fraction form
    12,370.86/18,523.08 = 9,675.72/x
  3. Step 3: Cross multiply
    12,370.86x = 18,523.08 × 9,675.72
  4. Step 4: Simplify right side
    12,370.86x = 179,224,135.62
  5. Step 5: Solve for x
    x = 179,224,135.62/12,370.86
  6. Step 6: Final answer
    x = 14,487.61

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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.