Home / 12,635.69-17,437.32-6,970.34

Finding the Fourth Proportional to 12,635.69, 17,437.32 and 6,970.34

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Solution

The fourth proportional to 12,635.69, 17,437.32 and 6,970.34 is: 9,619.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,635.69 : 17,437.32 = 6,970.34 : x
  2. Step 2: Convert to fraction form
    12,635.69/17,437.32 = 6,970.34/x
  3. Step 3: Cross multiply
    12,635.69x = 17,437.32 × 6,970.34
  4. Step 4: Simplify right side
    12,635.69x = 121,544,092.68
  5. Step 5: Solve for x
    x = 121,544,092.68/12,635.69
  6. Step 6: Final answer
    x = 9,619.11

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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.