Home / 10,917.23-16,376.40-3,125.84

Finding the Fourth Proportional to 10,917.23, 16,376.40 and 3,125.84

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Solution

The fourth proportional to 10,917.23, 16,376.40 and 3,125.84 is: 4,688.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,917.23 : 16,376.40 = 3,125.84 : x
  2. Step 2: Convert to fraction form
    10,917.23/16,376.40 = 3,125.84/x
  3. Step 3: Cross multiply
    10,917.23x = 16,376.40 × 3,125.84
  4. Step 4: Simplify right side
    10,917.23x = 51,189,924.29
  5. Step 5: Solve for x
    x = 51,189,924.29/10,917.23
  6. Step 6: Final answer
    x = 4,688.91

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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.