Home / 12,511.52-17,265.75-6,846.20

Finding the Fourth Proportional to 12,511.52, 17,265.75 and 6,846.20

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Solution

The fourth proportional to 12,511.52, 17,265.75 and 6,846.20 is: 9,447.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,511.52 : 17,265.75 = 6,846.20 : x
  2. Step 2: Convert to fraction form
    12,511.52/17,265.75 = 6,846.20/x
  3. Step 3: Cross multiply
    12,511.52x = 17,265.75 × 6,846.20
  4. Step 4: Simplify right side
    12,511.52x = 118,204,827.51
  5. Step 5: Solve for x
    x = 118,204,827.51/12,511.52
  6. Step 6: Final answer
    x = 9,447.68

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1.5x scale

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.