Home / 21,469.90-32,210.34-6,678.94

Finding the Fourth Proportional to 21,469.90, 32,210.34 and 6,678.94

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Solution

The fourth proportional to 21,469.90, 32,210.34 and 6,678.94 is: 10,020.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,469.90 : 32,210.34 = 6,678.94 : x
  2. Step 2: Convert to fraction form
    21,469.90/32,210.34 = 6,678.94/x
  3. Step 3: Cross multiply
    21,469.90x = 32,210.34 × 6,678.94
  4. Step 4: Simplify right side
    21,469.90x = 215,130,928.24
  5. Step 5: Solve for x
    x = 215,130,928.24/21,469.90
  6. Step 6: Final answer
    x = 10,020.12

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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.