Home / 10,709.52-16,064.26-2,918.31

Finding the Fourth Proportional to 10,709.52, 16,064.26 and 2,918.31

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Solution

The fourth proportional to 10,709.52, 16,064.26 and 2,918.31 is: 4,377.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,709.52 : 16,064.26 = 2,918.31 : x
  2. Step 2: Convert to fraction form
    10,709.52/16,064.26 = 2,918.31/x
  3. Step 3: Cross multiply
    10,709.52x = 16,064.26 × 2,918.31
  4. Step 4: Simplify right side
    10,709.52x = 46,880,490.60
  5. Step 5: Solve for x
    x = 46,880,490.60/10,709.52
  6. Step 6: Final answer
    x = 4,377.46

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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.