Home / 15,270.30-21,073.25-9,302.22

Finding the Fourth Proportional to 15,270.30, 21,073.25 and 9,302.22

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Solution

The fourth proportional to 15,270.30, 21,073.25 and 9,302.22 is: 12,837.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,270.30 : 21,073.25 = 9,302.22 : x
  2. Step 2: Convert to fraction form
    15,270.30/21,073.25 = 9,302.22/x
  3. Step 3: Cross multiply
    15,270.30x = 21,073.25 × 9,302.22
  4. Step 4: Simplify right side
    15,270.30x = 196,028,007.62
  5. Step 5: Solve for x
    x = 196,028,007.62/15,270.30
  6. Step 6: Final answer
    x = 12,837.21

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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.