Home / 12,635.34-17,436.90-6,970.29

Finding the Fourth Proportional to 12,635.34, 17,436.90 and 6,970.29

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Solution

The fourth proportional to 12,635.34, 17,436.90 and 6,970.29 is: 9,619.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,635.34 : 17,436.90 = 6,970.29 : x
  2. Step 2: Convert to fraction form
    12,635.34/17,436.90 = 6,970.29/x
  3. Step 3: Cross multiply
    12,635.34x = 17,436.90 × 6,970.29
  4. Step 4: Simplify right side
    12,635.34x = 121,540,249.70
  5. Step 5: Solve for x
    x = 121,540,249.70/12,635.34
  6. Step 6: Final answer
    x = 9,619.07

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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.