Home / 11,140.61-16,710.89-4,480.16

Finding the Fourth Proportional to 11,140.61, 16,710.89 and 4,480.16

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Solution

The fourth proportional to 11,140.61, 16,710.89 and 4,480.16 is: 6,720.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,140.61 : 16,710.89 = 4,480.16 : x
  2. Step 2: Convert to fraction form
    11,140.61/16,710.89 = 4,480.16/x
  3. Step 3: Cross multiply
    11,140.61x = 16,710.89 × 4,480.16
  4. Step 4: Simplify right side
    11,140.61x = 74,867,354.99
  5. Step 5: Solve for x
    x = 74,867,354.99/11,140.61
  6. Step 6: Final answer
    x = 6,720.22

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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.