Home / 14,429.24-19,909.50-8,462.78

Finding the Fourth Proportional to 14,429.24, 19,909.50 and 8,462.78

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Solution

The fourth proportional to 14,429.24, 19,909.50 and 8,462.78 is: 11,676.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,429.24 : 19,909.50 = 8,462.78 : x
  2. Step 2: Convert to fraction form
    14,429.24/19,909.50 = 8,462.78/x
  3. Step 3: Cross multiply
    14,429.24x = 19,909.50 × 8,462.78
  4. Step 4: Simplify right side
    14,429.24x = 168,489,718.41
  5. Step 5: Solve for x
    x = 168,489,718.41/14,429.24
  6. Step 6: Final answer
    x = 11,676.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.