Home / 12,996.36-17,927.28-7,962.84

Finding the Fourth Proportional to 12,996.36, 17,927.28 and 7,962.84

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Solution

The fourth proportional to 12,996.36, 17,927.28 and 7,962.84 is: 10,984.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,996.36 : 17,927.28 = 7,962.84 : x
  2. Step 2: Convert to fraction form
    12,996.36/17,927.28 = 7,962.84/x
  3. Step 3: Cross multiply
    12,996.36x = 17,927.28 × 7,962.84
  4. Step 4: Simplify right side
    12,996.36x = 142,752,062.28
  5. Step 5: Solve for x
    x = 142,752,062.28/12,996.36
  6. Step 6: Final answer
    x = 10,984.00

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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.