Home / 11,274.28-15,548.58-7,497.64

Finding the Fourth Proportional to 11,274.28, 15,548.58 and 7,497.64

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Solution

The fourth proportional to 11,274.28, 15,548.58 and 7,497.64 is: 10,340.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,274.28 : 15,548.58 = 7,497.64 : x
  2. Step 2: Convert to fraction form
    11,274.28/15,548.58 = 7,497.64/x
  3. Step 3: Cross multiply
    11,274.28x = 15,548.58 × 7,497.64
  4. Step 4: Simplify right side
    11,274.28x = 116,577,655.35
  5. Step 5: Solve for x
    x = 116,577,655.35/11,274.28
  6. Step 6: Final answer
    x = 10,340.14

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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.