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Finding the Fourth Proportional to 15,284.88, 22,907.88 and 6,969.42

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Solution

The fourth proportional to 15,284.88, 22,907.88 and 6,969.42 is: 10,445.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,284.88 : 22,907.88 = 6,969.42 : x
  2. Step 2: Convert to fraction form
    15,284.88/22,907.88 = 6,969.42/x
  3. Step 3: Cross multiply
    15,284.88x = 22,907.88 × 6,969.42
  4. Step 4: Simplify right side
    15,284.88x = 159,654,637.03
  5. Step 5: Solve for x
    x = 159,654,637.03/15,284.88
  6. Step 6: Final answer
    x = 10,445.27

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1.5x scale

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.