Home / 21,966.78-32,955.01-6,385.62

Finding the Fourth Proportional to 21,966.78, 32,955.01 and 6,385.62

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Solution

The fourth proportional to 21,966.78, 32,955.01 and 6,385.62 is: 9,579.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,966.78 : 32,955.01 = 6,385.62 : x
  2. Step 2: Convert to fraction form
    21,966.78/32,955.01 = 6,385.62/x
  3. Step 3: Cross multiply
    21,966.78x = 32,955.01 × 6,385.62
  4. Step 4: Simplify right side
    21,966.78x = 210,438,170.96
  5. Step 5: Solve for x
    x = 210,438,170.96/21,966.78
  6. Step 6: Final answer
    x = 9,579.84

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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.