Home / 11,654.04-16,082.68-6,618.36

Finding the Fourth Proportional to 11,654.04, 16,082.68 and 6,618.36

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Solution

The fourth proportional to 11,654.04, 16,082.68 and 6,618.36 is: 9,133.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,654.04 : 16,082.68 = 6,618.36 : x
  2. Step 2: Convert to fraction form
    11,654.04/16,082.68 = 6,618.36/x
  3. Step 3: Cross multiply
    11,654.04x = 16,082.68 × 6,618.36
  4. Step 4: Simplify right side
    11,654.04x = 106,440,966.00
  5. Step 5: Solve for x
    x = 106,440,966.00/11,654.04
  6. Step 6: Final answer
    x = 9,133.40

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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.