Home / 14,185.67-19,572.80-8,519.51

Finding the Fourth Proportional to 14,185.67, 19,572.80 and 8,519.51

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Solution

The fourth proportional to 14,185.67, 19,572.80 and 8,519.51 is: 11,754.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,185.67 : 19,572.80 = 8,519.51 : x
  2. Step 2: Convert to fraction form
    14,185.67/19,572.80 = 8,519.51/x
  3. Step 3: Cross multiply
    14,185.67x = 19,572.80 × 8,519.51
  4. Step 4: Simplify right side
    14,185.67x = 166,750,671.66
  5. Step 5: Solve for x
    x = 166,750,671.66/14,185.67
  6. Step 6: Final answer
    x = 11,754.87

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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.