Home / 11,293.60-15,584.40-6,580

Finding the Fourth Proportional to 11,293.60, 15,584.40 and 6,580

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Solution

The fourth proportional to 11,293.60, 15,584.40 and 6,580 is: 9,079.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,293.60 : 15,584.40 = 6,580 : x
  2. Step 2: Convert to fraction form
    11,293.60/15,584.40 = 6,580/x
  3. Step 3: Cross multiply
    11,293.60x = 15,584.40 × 6,580
  4. Step 4: Simplify right side
    11,293.60x = 102,545,352
  5. Step 5: Solve for x
    x = 102,545,352/11,293.60
  6. Step 6: Final answer
    x = 9,079.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.