Home / 10,605.90-15,914.31-4,370.52

Finding the Fourth Proportional to 10,605.90, 15,914.31 and 4,370.52

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Solution

The fourth proportional to 10,605.90, 15,914.31 and 4,370.52 is: 6,558.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,605.90 : 15,914.31 = 4,370.52 : x
  2. Step 2: Convert to fraction form
    10,605.90/15,914.31 = 4,370.52/x
  3. Step 3: Cross multiply
    10,605.90x = 15,914.31 × 4,370.52
  4. Step 4: Simplify right side
    10,605.90x = 69,553,810.14
  5. Step 5: Solve for x
    x = 69,553,810.14/10,605.90
  6. Step 6: Final answer
    x = 6,558.03

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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.