Home / 12,521.85-18,755.48-6,270.96

Finding the Fourth Proportional to 12,521.85, 18,755.48 and 6,270.96

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Solution

The fourth proportional to 12,521.85, 18,755.48 and 6,270.96 is: 9,392.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,521.85 : 18,755.48 = 6,270.96 : x
  2. Step 2: Convert to fraction form
    12,521.85/18,755.48 = 6,270.96/x
  3. Step 3: Cross multiply
    12,521.85x = 18,755.48 × 6,270.96
  4. Step 4: Simplify right side
    12,521.85x = 117,614,864.86
  5. Step 5: Solve for x
    x = 117,614,864.86/12,521.85
  6. Step 6: Final answer
    x = 9,392.77

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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.