Home / 10,403.10-15,599.91-3,005.80

Finding the Fourth Proportional to 10,403.10, 15,599.91 and 3,005.80

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Solution

The fourth proportional to 10,403.10, 15,599.91 and 3,005.80 is: 4,507.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,403.10 : 15,599.91 = 3,005.80 : x
  2. Step 2: Convert to fraction form
    10,403.10/15,599.91 = 3,005.80/x
  3. Step 3: Cross multiply
    10,403.10x = 15,599.91 × 3,005.80
  4. Step 4: Simplify right side
    10,403.10x = 46,890,209.48
  5. Step 5: Solve for x
    x = 46,890,209.48/10,403.10
  6. Step 6: Final answer
    x = 4,507.33

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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.