Home / 12,476.29-17,217.35-6,887.29

Finding the Fourth Proportional to 12,476.29, 17,217.35 and 6,887.29

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Solution

The fourth proportional to 12,476.29, 17,217.35 and 6,887.29 is: 9,504.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,476.29 : 17,217.35 = 6,887.29 : x
  2. Step 2: Convert to fraction form
    12,476.29/17,217.35 = 6,887.29/x
  3. Step 3: Cross multiply
    12,476.29x = 17,217.35 × 6,887.29
  4. Step 4: Simplify right side
    12,476.29x = 118,580,882.48
  5. Step 5: Solve for x
    x = 118,580,882.48/12,476.29
  6. Step 6: Final answer
    x = 9,504.50

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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.