Home / 14,487.68-19,992.48-8,114.24

Finding the Fourth Proportional to 14,487.68, 19,992.48 and 8,114.24

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Solution

The fourth proportional to 14,487.68, 19,992.48 and 8,114.24 is: 11,197.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,487.68 : 19,992.48 = 8,114.24 : x
  2. Step 2: Convert to fraction form
    14,487.68/19,992.48 = 8,114.24/x
  3. Step 3: Cross multiply
    14,487.68x = 19,992.48 × 8,114.24
  4. Step 4: Simplify right side
    14,487.68x = 162,223,780.92
  5. Step 5: Solve for x
    x = 162,223,780.92/14,487.68
  6. Step 6: Final answer
    x = 11,197.36

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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.