Home / 11,355.74-17,004.45-6,959.88

Finding the Fourth Proportional to 11,355.74, 17,004.45 and 6,959.88

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Solution

The fourth proportional to 11,355.74, 17,004.45 and 6,959.88 is: 10,421.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,355.74 : 17,004.45 = 6,959.88 : x
  2. Step 2: Convert to fraction form
    11,355.74/17,004.45 = 6,959.88/x
  3. Step 3: Cross multiply
    11,355.74x = 17,004.45 × 6,959.88
  4. Step 4: Simplify right side
    11,355.74x = 118,348,931.47
  5. Step 5: Solve for x
    x = 118,348,931.47/11,355.74
  6. Step 6: Final answer
    x = 10,421.95

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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.