Home / 10,994.13-15,171.71-6,277.77

Finding the Fourth Proportional to 10,994.13, 15,171.71 and 6,277.77

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Solution

The fourth proportional to 10,994.13, 15,171.71 and 6,277.77 is: 8,663.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,994.13 : 15,171.71 = 6,277.77 : x
  2. Step 2: Convert to fraction form
    10,994.13/15,171.71 = 6,277.77/x
  3. Step 3: Cross multiply
    10,994.13x = 15,171.71 × 6,277.77
  4. Step 4: Simplify right side
    10,994.13x = 95,244,474.50
  5. Step 5: Solve for x
    x = 95,244,474.50/10,994.13
  6. Step 6: Final answer
    x = 8,663.21

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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.