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Finding the Fourth Proportional to 15,973.44, 22,039.68 and 9,597.12

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Solution

The fourth proportional to 15,973.44, 22,039.68 and 9,597.12 is: 13,241.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,973.44 : 22,039.68 = 9,597.12 : x
  2. Step 2: Convert to fraction form
    15,973.44/22,039.68 = 9,597.12/x
  3. Step 3: Cross multiply
    15,973.44x = 22,039.68 × 9,597.12
  4. Step 4: Simplify right side
    15,973.44x = 211,517,453.72
  5. Step 5: Solve for x
    x = 211,517,453.72/15,973.44
  6. Step 6: Final answer
    x = 13,241.82

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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.