Home / 11,021.04-15,204-7,672.08

Finding the Fourth Proportional to 11,021.04, 15,204 and 7,672.08

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Solution

The fourth proportional to 11,021.04, 15,204 and 7,672.08 is: 10,583.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,021.04 : 15,204 = 7,672.08 : x
  2. Step 2: Convert to fraction form
    11,021.04/15,204 = 7,672.08/x
  3. Step 3: Cross multiply
    11,021.04x = 15,204 × 7,672.08
  4. Step 4: Simplify right side
    11,021.04x = 116,646,304.32
  5. Step 5: Solve for x
    x = 116,646,304.32/11,021.04
  6. Step 6: Final answer
    x = 10,583.97

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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.