Home / 12,971.09-17,901.38-7,593.20

Finding the Fourth Proportional to 12,971.09, 17,901.38 and 7,593.20

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Solution

The fourth proportional to 12,971.09, 17,901.38 and 7,593.20 is: 10,479.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,971.09 : 17,901.38 = 7,593.20 : x
  2. Step 2: Convert to fraction form
    12,971.09/17,901.38 = 7,593.20/x
  3. Step 3: Cross multiply
    12,971.09x = 17,901.38 × 7,593.20
  4. Step 4: Simplify right side
    12,971.09x = 135,928,731.84
  5. Step 5: Solve for x
    x = 135,928,731.84/12,971.09
  6. Step 6: Final answer
    x = 10,479.36

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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.