Home / 14,487.27-19,992.87-8,113.84

Finding the Fourth Proportional to 14,487.27, 19,992.87 and 8,113.84

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Solution

The fourth proportional to 14,487.27, 19,992.87 and 8,113.84 is: 11,197.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,487.27 : 19,992.87 = 8,113.84 : x
  2. Step 2: Convert to fraction form
    14,487.27/19,992.87 = 8,113.84/x
  3. Step 3: Cross multiply
    14,487.27x = 19,992.87 × 8,113.84
  4. Step 4: Simplify right side
    14,487.27x = 162,218,973.31
  5. Step 5: Solve for x
    x = 162,218,973.31/14,487.27
  6. Step 6: Final answer
    x = 11,197.35

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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.