Home / 14,396.08-19,868.34-8,108.86

Finding the Fourth Proportional to 14,396.08, 19,868.34 and 8,108.86

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Solution

The fourth proportional to 14,396.08, 19,868.34 and 8,108.86 is: 11,191.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,396.08 : 19,868.34 = 8,108.86 : x
  2. Step 2: Convert to fraction form
    14,396.08/19,868.34 = 8,108.86/x
  3. Step 3: Cross multiply
    14,396.08x = 19,868.34 × 8,108.86
  4. Step 4: Simplify right side
    14,396.08x = 161,109,587.49
  5. Step 5: Solve for x
    x = 161,109,587.49/14,396.08
  6. Step 6: Final answer
    x = 11,191.21

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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.