Home / 14,487.51-19,993.25-8,519.74

Finding the Fourth Proportional to 14,487.51, 19,993.25 and 8,519.74

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Solution

The fourth proportional to 14,487.51, 19,993.25 and 8,519.74 is: 11,757.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,487.51 : 19,993.25 = 8,519.74 : x
  2. Step 2: Convert to fraction form
    14,487.51/19,993.25 = 8,519.74/x
  3. Step 3: Cross multiply
    14,487.51x = 19,993.25 × 8,519.74
  4. Step 4: Simplify right side
    14,487.51x = 170,337,291.76
  5. Step 5: Solve for x
    x = 170,337,291.76/14,487.51
  6. Step 6: Final answer
    x = 11,757.53

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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.