Home / 12,636.08-17,437.75-6,971.18

Finding the Fourth Proportional to 12,636.08, 17,437.75 and 6,971.18

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Solution

The fourth proportional to 12,636.08, 17,437.75 and 6,971.18 is: 9,620.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,636.08 : 17,437.75 = 6,971.18 : x
  2. Step 2: Convert to fraction form
    12,636.08/17,437.75 = 6,971.18/x
  3. Step 3: Cross multiply
    12,636.08x = 17,437.75 × 6,971.18
  4. Step 4: Simplify right side
    12,636.08x = 121,561,739.84
  5. Step 5: Solve for x
    x = 121,561,739.84/12,636.08
  6. Step 6: Final answer
    x = 9,620.21

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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.