Home / 12,470.98-17,209.70-6,805.84

Finding the Fourth Proportional to 12,470.98, 17,209.70 and 6,805.84

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Solution

The fourth proportional to 12,470.98, 17,209.70 and 6,805.84 is: 9,391.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,470.98 : 17,209.70 = 6,805.84 : x
  2. Step 2: Convert to fraction form
    12,470.98/17,209.70 = 6,805.84/x
  3. Step 3: Cross multiply
    12,470.98x = 17,209.70 × 6,805.84
  4. Step 4: Simplify right side
    12,470.98x = 117,126,344.57
  5. Step 5: Solve for x
    x = 117,126,344.57/12,470.98
  6. Step 6: Final answer
    x = 9,391.92

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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.