Home / 11,628.28-17,427.80-5,774.40

Finding the Fourth Proportional to 11,628.28, 17,427.80 and 5,774.40

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Solution

The fourth proportional to 11,628.28, 17,427.80 and 5,774.40 is: 8,654.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,628.28 : 17,427.80 = 5,774.40 : x
  2. Step 2: Convert to fraction form
    11,628.28/17,427.80 = 5,774.40/x
  3. Step 3: Cross multiply
    11,628.28x = 17,427.80 × 5,774.40
  4. Step 4: Simplify right side
    11,628.28x = 100,635,088.32
  5. Step 5: Solve for x
    x = 100,635,088.32/11,628.28
  6. Step 6: Final answer
    x = 8,654.34

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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.