Home / 11,905.32-17,851.86-6,984.66

Finding the Fourth Proportional to 11,905.32, 17,851.86 and 6,984.66

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Solution

The fourth proportional to 11,905.32, 17,851.86 and 6,984.66 is: 10,473.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,905.32 : 17,851.86 = 6,984.66 : x
  2. Step 2: Convert to fraction form
    11,905.32/17,851.86 = 6,984.66/x
  3. Step 3: Cross multiply
    11,905.32x = 17,851.86 × 6,984.66
  4. Step 4: Simplify right side
    11,905.32x = 124,689,172.47
  5. Step 5: Solve for x
    x = 124,689,172.47/11,905.32
  6. Step 6: Final answer
    x = 10,473.40

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1.5x scale

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.