Home / 15,396.40-23,036.82-9,133.48

Finding the Fourth Proportional to 15,396.40, 23,036.82 and 9,133.48

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Solution

The fourth proportional to 15,396.40, 23,036.82 and 9,133.48 is: 13,665.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,396.40 : 23,036.82 = 9,133.48 : x
  2. Step 2: Convert to fraction form
    15,396.40/23,036.82 = 9,133.48/x
  3. Step 3: Cross multiply
    15,396.40x = 23,036.82 × 9,133.48
  4. Step 4: Simplify right side
    15,396.40x = 210,406,334.73
  5. Step 5: Solve for x
    x = 210,406,334.73/15,396.40
  6. Step 6: Final answer
    x = 13,665.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.