Home / 21,469.07-32,209.06-6,678.10

Finding the Fourth Proportional to 21,469.07, 32,209.06 and 6,678.10

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Solution

The fourth proportional to 21,469.07, 32,209.06 and 6,678.10 is: 10,018.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,469.07 : 32,209.06 = 6,678.10 : x
  2. Step 2: Convert to fraction form
    21,469.07/32,209.06 = 6,678.10/x
  3. Step 3: Cross multiply
    21,469.07x = 32,209.06 × 6,678.10
  4. Step 4: Simplify right side
    21,469.07x = 215,095,323.59
  5. Step 5: Solve for x
    x = 215,095,323.59/21,469.07
  6. Step 6: Final answer
    x = 10,018.85

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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.