Home / 10,870.00-14,998.57-6,394.61

Finding the Fourth Proportional to 10,870.00, 14,998.57 and 6,394.61

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Solution

The fourth proportional to 10,870.00, 14,998.57 and 6,394.61 is: 8,823.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,870.00 : 14,998.57 = 6,394.61 : x
  2. Step 2: Convert to fraction form
    10,870.00/14,998.57 = 6,394.61/x
  3. Step 3: Cross multiply
    10,870.00x = 14,998.57 × 6,394.61
  4. Step 4: Simplify right side
    10,870.00x = 95,910,027.22
  5. Step 5: Solve for x
    x = 95,910,027.22/10,870.00
  6. Step 6: Final answer
    x = 8,823.37

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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.