Home / 11,485.50-17,228.32-4,560

Finding the Fourth Proportional to 11,485.50, 17,228.32 and 4,560

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Solution

The fourth proportional to 11,485.50, 17,228.32 and 4,560 is: 6,840.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,485.50 : 17,228.32 = 4,560 : x
  2. Step 2: Convert to fraction form
    11,485.50/17,228.32 = 4,560/x
  3. Step 3: Cross multiply
    11,485.50x = 17,228.32 × 4,560
  4. Step 4: Simplify right side
    11,485.50x = 78,561,139.20
  5. Step 5: Solve for x
    x = 78,561,139.20/11,485.50
  6. Step 6: Final answer
    x = 6,840.03

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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.