Home / 14,371.15-19,828.30-8,404.29

Finding the Fourth Proportional to 14,371.15, 19,828.30 and 8,404.29

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Solution

The fourth proportional to 14,371.15, 19,828.30 and 8,404.29 is: 11,595.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,371.15 : 19,828.30 = 8,404.29 : x
  2. Step 2: Convert to fraction form
    14,371.15/19,828.30 = 8,404.29/x
  3. Step 3: Cross multiply
    14,371.15x = 19,828.30 × 8,404.29
  4. Step 4: Simplify right side
    14,371.15x = 166,642,783.41
  5. Step 5: Solve for x
    x = 166,642,783.41/14,371.15
  6. Step 6: Final answer
    x = 11,595.65

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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.