Home / 9,917.40-14,876.28-3,994.86

Finding the Fourth Proportional to 9,917.40, 14,876.28 and 3,994.86

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Solution

The fourth proportional to 9,917.40, 14,876.28 and 3,994.86 is: 5,992.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,917.40 : 14,876.28 = 3,994.86 : x
  2. Step 2: Convert to fraction form
    9,917.40/14,876.28 = 3,994.86/x
  3. Step 3: Cross multiply
    9,917.40x = 14,876.28 × 3,994.86
  4. Step 4: Simplify right side
    9,917.40x = 59,428,655.92
  5. Step 5: Solve for x
    x = 59,428,655.92/9,917.40
  6. Step 6: Final answer
    x = 5,992.36

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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.