Home / 10,709.36-16,064.46-2,918.15

Finding the Fourth Proportional to 10,709.36, 16,064.46 and 2,918.15

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Solution

The fourth proportional to 10,709.36, 16,064.46 and 2,918.15 is: 4,377.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,709.36 : 16,064.46 = 2,918.15 : x
  2. Step 2: Convert to fraction form
    10,709.36/16,064.46 = 2,918.15/x
  3. Step 3: Cross multiply
    10,709.36x = 16,064.46 × 2,918.15
  4. Step 4: Simplify right side
    10,709.36x = 46,878,503.95
  5. Step 5: Solve for x
    x = 46,878,503.95/10,709.36
  6. Step 6: Final answer
    x = 4,377.34

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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.