Home / 9,209.84-12,709.58-5,018.09

Finding the Fourth Proportional to 9,209.84, 12,709.58 and 5,018.09

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Solution

The fourth proportional to 9,209.84, 12,709.58 and 5,018.09 is: 6,924.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,209.84 : 12,709.58 = 5,018.09 : x
  2. Step 2: Convert to fraction form
    9,209.84/12,709.58 = 5,018.09/x
  3. Step 3: Cross multiply
    9,209.84x = 12,709.58 × 5,018.09
  4. Step 4: Simplify right side
    9,209.84x = 63,777,816.30
  5. Step 5: Solve for x
    x = 63,777,816.30/9,209.84
  6. Step 6: Final answer
    x = 6,924.96

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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.