Home / 11,660.52-17,491.72-3,654.74

Finding the Fourth Proportional to 11,660.52, 17,491.72 and 3,654.74

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Solution

The fourth proportional to 11,660.52, 17,491.72 and 3,654.74 is: 5,482.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,660.52 : 17,491.72 = 3,654.74 : x
  2. Step 2: Convert to fraction form
    11,660.52/17,491.72 = 3,654.74/x
  3. Step 3: Cross multiply
    11,660.52x = 17,491.72 × 3,654.74
  4. Step 4: Simplify right side
    11,660.52x = 63,927,688.75
  5. Step 5: Solve for x
    x = 63,927,688.75/11,660.52
  6. Step 6: Final answer
    x = 5,482.40

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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.