Home / 13,709.84-20,514.24-9,695.36

Finding the Fourth Proportional to 13,709.84, 20,514.24 and 9,695.36

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Solution

The fourth proportional to 13,709.84, 20,514.24 and 9,695.36 is: 14,507.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,709.84 : 20,514.24 = 9,695.36 : x
  2. Step 2: Convert to fraction form
    13,709.84/20,514.24 = 9,695.36/x
  3. Step 3: Cross multiply
    13,709.84x = 20,514.24 × 9,695.36
  4. Step 4: Simplify right side
    13,709.84x = 198,892,941.93
  5. Step 5: Solve for x
    x = 198,892,941.93/13,709.84
  6. Step 6: Final answer
    x = 14,507.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.