Home / 9,420.24-14,135.22-3,877.68

Finding the Fourth Proportional to 9,420.24, 14,135.22 and 3,877.68

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Solution

The fourth proportional to 9,420.24, 14,135.22 and 3,877.68 is: 5,818.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,420.24 : 14,135.22 = 3,877.68 : x
  2. Step 2: Convert to fraction form
    9,420.24/14,135.22 = 3,877.68/x
  3. Step 3: Cross multiply
    9,420.24x = 14,135.22 × 3,877.68
  4. Step 4: Simplify right side
    9,420.24x = 54,811,859.89
  5. Step 5: Solve for x
    x = 54,811,859.89/9,420.24
  6. Step 6: Final answer
    x = 5,818.52

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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.