Home / 10,910.18-15,054.01-6,435.34

Finding the Fourth Proportional to 10,910.18, 15,054.01 and 6,435.34

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Solution

The fourth proportional to 10,910.18, 15,054.01 and 6,435.34 is: 8,879.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,910.18 : 15,054.01 = 6,435.34 : x
  2. Step 2: Convert to fraction form
    10,910.18/15,054.01 = 6,435.34/x
  3. Step 3: Cross multiply
    10,910.18x = 15,054.01 × 6,435.34
  4. Step 4: Simplify right side
    10,910.18x = 96,877,672.71
  5. Step 5: Solve for x
    x = 96,877,672.71/10,910.18
  6. Step 6: Final answer
    x = 8,879.57

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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.