Home / 13,774.86-19,011.15-8,186.22

Finding the Fourth Proportional to 13,774.86, 19,011.15 and 8,186.22

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Solution

The fourth proportional to 13,774.86, 19,011.15 and 8,186.22 is: 11,298.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,774.86 : 19,011.15 = 8,186.22 : x
  2. Step 2: Convert to fraction form
    13,774.86/19,011.15 = 8,186.22/x
  3. Step 3: Cross multiply
    13,774.86x = 19,011.15 × 8,186.22
  4. Step 4: Simplify right side
    13,774.86x = 155,629,456.35
  5. Step 5: Solve for x
    x = 155,629,456.35/13,774.86
  6. Step 6: Final answer
    x = 11,298.08

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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.