Home / 12,470.48-17,209.36-6,805.27

Finding the Fourth Proportional to 12,470.48, 17,209.36 and 6,805.27

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Solution

The fourth proportional to 12,470.48, 17,209.36 and 6,805.27 is: 9,391.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,470.48 : 17,209.36 = 6,805.27 : x
  2. Step 2: Convert to fraction form
    12,470.48/17,209.36 = 6,805.27/x
  3. Step 3: Cross multiply
    12,470.48x = 17,209.36 × 6,805.27
  4. Step 4: Simplify right side
    12,470.48x = 117,114,371.35
  5. Step 5: Solve for x
    x = 117,114,371.35/12,470.48
  6. Step 6: Final answer
    x = 9,391.33

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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.