Home / 11,225.52-16,840.68-4,300

Finding the Fourth Proportional to 11,225.52, 16,840.68 and 4,300

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Solution

The fourth proportional to 11,225.52, 16,840.68 and 4,300 is: 6,450.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,225.52 : 16,840.68 = 4,300 : x
  2. Step 2: Convert to fraction form
    11,225.52/16,840.68 = 4,300/x
  3. Step 3: Cross multiply
    11,225.52x = 16,840.68 × 4,300
  4. Step 4: Simplify right side
    11,225.52x = 72,414,924
  5. Step 5: Solve for x
    x = 72,414,924/11,225.52
  6. Step 6: Final answer
    x = 6,450.92

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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.